diff --git a/crates/benchmarks/benches/indexing.rs b/crates/benchmarks/benches/indexing.rs
index 4bd5315ff..9938fca26 100644
--- a/crates/benchmarks/benches/indexing.rs
+++ b/crates/benchmarks/benches/indexing.rs
@@ -12,7 +12,7 @@ use milli::progress::Progress;
 use milli::update::new::indexer;
 use milli::update::{IndexerConfig, Settings};
 use milli::vector::EmbeddingConfigs;
-use milli::Index;
+use milli::{FilterableAttributesRule, Index};
 use rand::seq::SliceRandom;
 use rand_chacha::rand_core::SeedableRng;
 use roaring::RoaringBitmap;
@@ -57,7 +57,8 @@ fn setup_settings<'t>(
     let searchable_fields = searchable_fields.iter().map(|s| s.to_string()).collect();
     builder.set_searchable_fields(searchable_fields);
 
-    let filterable_fields = filterable_fields.iter().map(|s| s.to_string()).collect();
+    let filterable_fields =
+        filterable_fields.iter().map(|s| FilterableAttributesRule::Field(s.to_string())).collect();
     builder.set_filterable_fields(filterable_fields);
 
     let sortable_fields = sortable_fields.iter().map(|s| s.to_string()).collect();
diff --git a/crates/benchmarks/benches/search_geo.rs b/crates/benchmarks/benches/search_geo.rs
index 72503ce57..d76929f99 100644
--- a/crates/benchmarks/benches/search_geo.rs
+++ b/crates/benchmarks/benches/search_geo.rs
@@ -2,7 +2,7 @@ mod datasets_paths;
 mod utils;
 
 use criterion::{criterion_group, criterion_main};
-use milli::update::Settings;
+use milli::{update::Settings, FilterableAttributesRule};
 use utils::Conf;
 
 #[cfg(not(windows))]
@@ -21,8 +21,10 @@ fn base_conf(builder: &mut Settings) {
         ["name", "alternatenames", "elevation"].iter().map(|s| s.to_string()).collect();
     builder.set_searchable_fields(searchable_fields);
 
-    let filterable_fields =
-        ["_geo", "population", "elevation"].iter().map(|s| s.to_string()).collect();
+    let filterable_fields = ["_geo", "population", "elevation"]
+        .iter()
+        .map(|s| FilterableAttributesRule::Field(s.to_string()))
+        .collect();
     builder.set_filterable_fields(filterable_fields);
 
     let sortable_fields =
diff --git a/crates/benchmarks/benches/search_songs.rs b/crates/benchmarks/benches/search_songs.rs
index bef014a0e..680a675ef 100644
--- a/crates/benchmarks/benches/search_songs.rs
+++ b/crates/benchmarks/benches/search_songs.rs
@@ -2,7 +2,7 @@ mod datasets_paths;
 mod utils;
 
 use criterion::{criterion_group, criterion_main};
-use milli::update::Settings;
+use milli::{update::Settings, FilterableAttributesRule};
 use utils::Conf;
 
 #[cfg(not(windows))]
@@ -22,7 +22,7 @@ fn base_conf(builder: &mut Settings) {
 
     let faceted_fields = ["released-timestamp", "duration-float", "genre", "country", "artist"]
         .iter()
-        .map(|s| s.to_string())
+        .map(|s| FilterableAttributesRule::Field(s.to_string()))
         .collect();
     builder.set_filterable_fields(faceted_fields);
 }
diff --git a/crates/dump/src/lib.rs b/crates/dump/src/lib.rs
index e7fd22333..4e2d6ac2f 100644
--- a/crates/dump/src/lib.rs
+++ b/crates/dump/src/lib.rs
@@ -233,8 +233,8 @@ pub(crate) mod test {
     use meilisearch_types::features::{Network, Remote, RuntimeTogglableFeatures};
     use meilisearch_types::index_uid_pattern::IndexUidPattern;
     use meilisearch_types::keys::{Action, Key};
-    use meilisearch_types::milli;
     use meilisearch_types::milli::update::Setting;
+    use meilisearch_types::milli::{self, FilterableAttributesRule};
     use meilisearch_types::settings::{Checked, FacetingSettings, Settings};
     use meilisearch_types::task_view::DetailsView;
     use meilisearch_types::tasks::{Details, Kind, Status};
@@ -279,7 +279,10 @@ pub(crate) mod test {
         let settings = Settings {
             displayed_attributes: Setting::Set(vec![S("race"), S("name")]).into(),
             searchable_attributes: Setting::Set(vec![S("name"), S("race")]).into(),
-            filterable_attributes: Setting::Set(btreeset! { S("race"), S("age") }),
+            filterable_attributes: Setting::Set(vec![
+                FilterableAttributesRule::Field(S("race")),
+                FilterableAttributesRule::Field(S("age")),
+            ]),
             sortable_attributes: Setting::Set(btreeset! { S("age") }),
             ranking_rules: Setting::NotSet,
             stop_words: Setting::NotSet,
diff --git a/crates/index-scheduler/src/scheduler/test_failure.rs b/crates/index-scheduler/src/scheduler/test_failure.rs
index 5cdcb248b..191910d38 100644
--- a/crates/index-scheduler/src/scheduler/test_failure.rs
+++ b/crates/index-scheduler/src/scheduler/test_failure.rs
@@ -1,11 +1,11 @@
 use std::time::Instant;
 
 use big_s::S;
-use maplit::btreeset;
 use meili_snap::snapshot;
 use meilisearch_types::milli::obkv_to_json;
 use meilisearch_types::milli::update::IndexDocumentsMethod::*;
 use meilisearch_types::milli::update::Setting;
+use meilisearch_types::milli::FilterableAttributesRule;
 use meilisearch_types::tasks::{Kind, KindWithContent};
 
 use crate::insta_snapshot::snapshot_index_scheduler;
@@ -127,7 +127,8 @@ fn fail_in_process_batch_for_document_deletion() {
 
     use meilisearch_types::settings::{Settings, Unchecked};
     let mut new_settings: Box<Settings<Unchecked>> = Box::default();
-    new_settings.filterable_attributes = Setting::Set(btreeset!(S("catto")));
+    new_settings.filterable_attributes =
+        Setting::Set(vec![FilterableAttributesRule::Field(S("catto"))]);
 
     index_scheduler
         .register(
diff --git a/crates/milli/src/index.rs b/crates/milli/src/index.rs
index 75f4a8c17..12b98b729 100644
--- a/crates/milli/src/index.rs
+++ b/crates/milli/src/index.rs
@@ -1766,7 +1766,7 @@ pub(crate) mod tests {
     use big_s::S;
     use bumpalo::Bump;
     use heed::{EnvOpenOptions, RwTxn};
-    use maplit::{btreemap, hashset};
+    use maplit::btreemap;
     use memmap2::Mmap;
     use tempfile::TempDir;
 
@@ -1782,7 +1782,8 @@ pub(crate) mod tests {
     use crate::vector::settings::{EmbedderSource, EmbeddingSettings};
     use crate::vector::EmbeddingConfigs;
     use crate::{
-        db_snap, obkv_to_json, Filter, Index, Search, SearchResult, ThreadPoolNoAbortBuilder,
+        db_snap, obkv_to_json, Filter, FilterableAttributesRule, Index, Search, SearchResult,
+        ThreadPoolNoAbortBuilder,
     };
 
     pub(crate) struct TempIndex {
@@ -2189,7 +2190,7 @@ pub(crate) mod tests {
         let rtxn = index.read_txn().unwrap();
 
         let real = index.searchable_fields(&rtxn).unwrap();
-        assert_eq!(real, &["doggo", "name"]);
+        assert!(real.is_empty());
         let user_defined = index.user_defined_searchable_fields(&rtxn).unwrap().unwrap();
         assert_eq!(user_defined, &["doggo", "name"]);
 
@@ -2217,7 +2218,9 @@ pub(crate) mod tests {
 
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S(RESERVED_GEO_FIELD_NAME) });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    RESERVED_GEO_FIELD_NAME.to_string(),
+                )]);
             })
             .unwrap();
         index
@@ -2325,7 +2328,9 @@ pub(crate) mod tests {
 
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S("doggo") });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    "doggo".to_string(),
+                )]);
             })
             .unwrap();
         index
@@ -2362,15 +2367,14 @@ pub(crate) mod tests {
 
     #[test]
     fn replace_documents_external_ids_and_soft_deletion_check() {
-        use big_s::S;
-        use maplit::hashset;
-
         let index = TempIndex::new();
 
         index
             .update_settings(|settings| {
                 settings.set_primary_key("id".to_owned());
-                settings.set_filterable_fields(hashset! { S("doggo") });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    "doggo".to_string(),
+                )]);
             })
             .unwrap();
 
@@ -2903,8 +2907,9 @@ pub(crate) mod tests {
         index
             .update_settings(|settings| {
                 settings.set_primary_key("id".to_string());
-                settings
-                    .set_filterable_fields(HashSet::from([RESERVED_GEO_FIELD_NAME.to_string()]));
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    RESERVED_GEO_FIELD_NAME.to_string(),
+                )]);
             })
             .unwrap();
 
@@ -2938,8 +2943,9 @@ pub(crate) mod tests {
         index
             .update_settings(|settings| {
                 settings.set_primary_key("id".to_string());
-                settings
-                    .set_filterable_fields(HashSet::from([RESERVED_GEO_FIELD_NAME.to_string()]));
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    RESERVED_GEO_FIELD_NAME.to_string(),
+                )]);
             })
             .unwrap();
 
diff --git a/crates/milli/src/search/facet/facet_distribution.rs b/crates/milli/src/search/facet/facet_distribution.rs
index b165d4e80..beb5d2568 100644
--- a/crates/milli/src/search/facet/facet_distribution.rs
+++ b/crates/milli/src/search/facet/facet_distribution.rs
@@ -382,7 +382,7 @@ impl<'a> FacetDistribution<'a> {
     ) -> Result<()> {
         let mut invalid_facets = BTreeSet::new();
         if let Some(facets) = &self.facets {
-            for (field, _) in facets {
+            for field in facets.keys() {
                 let is_valid_faceted_field =
                     fields_ids_map.id_with_metadata(field).map_or(false, |(_, metadata)| {
                         metadata.is_faceted(filterable_attributes_rules)
@@ -439,11 +439,10 @@ mod tests {
     use std::iter;
 
     use big_s::S;
-    use maplit::hashset;
 
     use crate::documents::mmap_from_objects;
     use crate::index::tests::TempIndex;
-    use crate::{milli_snap, FacetDistribution, OrderBy};
+    use crate::{milli_snap, FacetDistribution, FilterableAttributesRule, OrderBy};
 
     #[test]
     fn few_candidates_few_facet_values() {
@@ -453,7 +452,9 @@ mod tests {
         let index = TempIndex::new();
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let documents = documents!([
@@ -524,7 +525,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = ["Red", "RED", " red ", "Blue", "BLUE"];
@@ -609,7 +612,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = (0..1000).map(|x| format!("{x:x}")).collect::<Vec<_>>();
@@ -668,7 +673,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = (0..1000).collect::<Vec<_>>();
@@ -719,7 +726,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = (0..1000).collect::<Vec<_>>();
@@ -770,7 +779,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = (0..1000).collect::<Vec<_>>();
@@ -821,7 +832,9 @@ mod tests {
         let index = TempIndex::new_with_map_size(4096 * 10_000);
 
         index
-            .update_settings(|settings| settings.set_filterable_fields(hashset! { S("colour") }))
+            .update_settings(|settings| {
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(S("colour"))])
+            })
             .unwrap();
 
         let facet_values = (0..1000).collect::<Vec<_>>();
diff --git a/crates/milli/src/search/new/tests/cutoff.rs b/crates/milli/src/search/new/tests/cutoff.rs
index 63b67f2e7..f2dfb45d6 100644
--- a/crates/milli/src/search/new/tests/cutoff.rs
+++ b/crates/milli/src/search/new/tests/cutoff.rs
@@ -5,13 +5,11 @@
 
 use std::time::Duration;
 
-use big_s::S;
-use maplit::hashset;
 use meili_snap::snapshot;
 
 use crate::index::tests::TempIndex;
 use crate::score_details::{ScoreDetails, ScoringStrategy};
-use crate::{Criterion, Filter, Search, TimeBudget};
+use crate::{Criterion, Filter, FilterableAttributesRule, Search, TimeBudget};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -20,7 +18,7 @@ fn create_index() -> TempIndex {
         .update_settings(|s| {
             s.set_primary_key("id".to_owned());
             s.set_searchable_fields(vec!["text".to_owned()]);
-            s.set_filterable_fields(hashset! { S("id") });
+            s.set_filterable_fields(vec![FilterableAttributesRule::Field("id".to_owned())]);
             s.set_criteria(vec![Criterion::Words, Criterion::Typo]);
         })
         .unwrap();
diff --git a/crates/milli/src/search/new/tests/distinct.rs b/crates/milli/src/search/new/tests/distinct.rs
index dd27bfc8a..d3c453957 100644
--- a/crates/milli/src/search/new/tests/distinct.rs
+++ b/crates/milli/src/search/new/tests/distinct.rs
@@ -19,7 +19,10 @@ use maplit::hashset;
 
 use super::collect_field_values;
 use crate::index::tests::TempIndex;
-use crate::{AscDesc, Criterion, Index, Member, Search, SearchResult, TermsMatchingStrategy};
+use crate::{
+    AscDesc, Criterion, FilterableAttributesRule, Index, Member, Search, SearchResult,
+    TermsMatchingStrategy,
+};
 
 fn create_index() -> TempIndex {
     let index = TempIndex::new();
@@ -236,7 +239,7 @@ fn test_distinct_placeholder_no_ranking_rules() {
     // Set the letter as filterable and unset the distinct attribute.
     index
         .update_settings(|s| {
-            s.set_filterable_fields(hashset! { S("letter") });
+            s.set_filterable_fields(vec![FilterableAttributesRule::Field("letter".to_owned())]);
             s.reset_distinct_field();
         })
         .unwrap();
diff --git a/crates/milli/src/search/new/tests/integration.rs b/crates/milli/src/search/new/tests/integration.rs
index e60a09ec5..e718eb39d 100644
--- a/crates/milli/src/search/new/tests/integration.rs
+++ b/crates/milli/src/search/new/tests/integration.rs
@@ -9,7 +9,7 @@ use crate::progress::Progress;
 use crate::update::new::indexer;
 use crate::update::{IndexerConfig, Settings};
 use crate::vector::EmbeddingConfigs;
-use crate::{db_snap, Criterion, Index};
+use crate::{db_snap, Criterion, FilterableAttributesRule, Index};
 pub const CONTENT: &str = include_str!("../../../../tests/assets/test_set.ndjson");
 use crate::constants::RESERVED_GEO_FIELD_NAME;
 
@@ -25,14 +25,14 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
     let mut builder = Settings::new(&mut wtxn, &index, &config);
 
     builder.set_criteria(criteria.to_vec());
-    builder.set_filterable_fields(hashset! {
-        S("tag"),
-        S("asc_desc_rank"),
-        S(RESERVED_GEO_FIELD_NAME),
-        S("opt1"),
-        S("opt1.opt2"),
-        S("tag_in")
-    });
+    builder.set_filterable_fields(vec![
+        FilterableAttributesRule::Field(S("tag")),
+        FilterableAttributesRule::Field(S("asc_desc_rank")),
+        FilterableAttributesRule::Field(S(RESERVED_GEO_FIELD_NAME)),
+        FilterableAttributesRule::Field(S("opt1")),
+        FilterableAttributesRule::Field(S("opt1.opt2")),
+        FilterableAttributesRule::Field(S("tag_in")),
+    ]);
     builder.set_sortable_fields(hashset! {
         S("tag"),
         S("asc_desc_rank"),
diff --git a/crates/milli/src/snapshot_tests.rs b/crates/milli/src/snapshot_tests.rs
index 6635ab2f4..3e58c44d9 100644
--- a/crates/milli/src/snapshot_tests.rs
+++ b/crates/milli/src/snapshot_tests.rs
@@ -386,7 +386,7 @@ pub fn snap_settings(index: &Index) -> String {
     write_setting_to_snap!(criteria);
     write_setting_to_snap!(displayed_fields);
     write_setting_to_snap!(distinct_field);
-    write_setting_to_snap!(filterable_fields);
+    write_setting_to_snap!(filterable_attributes_rules);
     write_setting_to_snap!(sortable_fields);
     write_setting_to_snap!(synonyms);
     write_setting_to_snap!(authorize_typos);
diff --git a/crates/milli/src/update/settings.rs b/crates/milli/src/update/settings.rs
index d38fdf138..42f38ea0a 100644
--- a/crates/milli/src/update/settings.rs
+++ b/crates/milli/src/update/settings.rs
@@ -1876,7 +1876,7 @@ pub fn validate_embedding_settings(
 mod tests {
     use big_s::S;
     use heed::types::Bytes;
-    use maplit::{btreemap, btreeset, hashset};
+    use maplit::{btreemap, btreeset};
     use meili_snap::snapshot;
 
     use super::*;
@@ -2086,7 +2086,9 @@ mod tests {
         // Set the filterable fields to be the age.
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S("age") });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    "age".to_string(),
+                )]);
             })
             .unwrap();
 
@@ -2101,8 +2103,8 @@ mod tests {
 
         // Check that the displayed fields are correctly set.
         let rtxn = index.read_txn().unwrap();
-        let fields_ids = index.filterable_fields(&rtxn).unwrap();
-        assert_eq!(fields_ids, hashset! { S("age") });
+        let fields_ids = index.filterable_attributes_rules(&rtxn).unwrap();
+        assert_eq!(fields_ids, vec![FilterableAttributesRule::Field("age".to_string(),)]);
         // Only count the field_id 0 and level 0 facet values.
         // TODO we must support typed CSVs for numbers to be understood.
         let fidmap = index.fields_ids_map(&rtxn).unwrap();
@@ -2144,14 +2146,23 @@ mod tests {
         // Set the filterable fields to be the age and the name.
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S("age"),  S("name") });
+                settings.set_filterable_fields(vec![
+                    FilterableAttributesRule::Field("age".to_string()),
+                    FilterableAttributesRule::Field("name".to_string()),
+                ]);
             })
             .unwrap();
 
         // Check that the displayed fields are correctly set.
         let rtxn = index.read_txn().unwrap();
-        let fields_ids = index.filterable_fields(&rtxn).unwrap();
-        assert_eq!(fields_ids, hashset! { S("age"),  S("name") });
+        let fields_ids = index.filterable_attributes_rules(&rtxn).unwrap();
+        assert_eq!(
+            fields_ids,
+            vec![
+                FilterableAttributesRule::Field("age".to_string()),
+                FilterableAttributesRule::Field("name".to_string()),
+            ]
+        );
 
         let rtxn = index.read_txn().unwrap();
         // Only count the field_id 2 and level 0 facet values.
@@ -2176,14 +2187,16 @@ mod tests {
         // Remove the age from the filterable fields.
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S("name") });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    "name".to_string(),
+                )]);
             })
             .unwrap();
 
         // Check that the displayed fields are correctly set.
         let rtxn = index.read_txn().unwrap();
-        let fields_ids = index.filterable_fields(&rtxn).unwrap();
-        assert_eq!(fields_ids, hashset! { S("name") });
+        let fields_ids = index.filterable_attributes_rules(&rtxn).unwrap();
+        assert_eq!(fields_ids, vec![FilterableAttributesRule::Field("name".to_string())]);
 
         let rtxn = index.read_txn().unwrap();
         // Only count the field_id 2 and level 0 facet values.
@@ -2513,7 +2526,10 @@ mod tests {
         index
             .update_settings(|settings| {
                 settings.set_displayed_fields(vec!["hello".to_string()]);
-                settings.set_filterable_fields(hashset! { S("age"), S("toto") });
+                settings.set_filterable_fields(vec![
+                    FilterableAttributesRule::Field("age".to_string()),
+                    FilterableAttributesRule::Field("toto".to_string()),
+                ]);
                 settings.set_criteria(vec![Criterion::Asc(S("toto"))]);
             })
             .unwrap();
@@ -2630,7 +2646,9 @@ mod tests {
         // Set the genres setting
         index
             .update_settings(|settings| {
-                settings.set_filterable_fields(hashset! { S("genres") });
+                settings.set_filterable_fields(vec![FilterableAttributesRule::Field(
+                    "genres".to_string(),
+                )]);
             })
             .unwrap();
 
diff --git a/crates/milli/tests/search/facet_distribution.rs b/crates/milli/tests/search/facet_distribution.rs
index 4d8bf324c..c5a61da9f 100644
--- a/crates/milli/tests/search/facet_distribution.rs
+++ b/crates/milli/tests/search/facet_distribution.rs
@@ -1,13 +1,12 @@
 use big_s::S;
 use bumpalo::Bump;
 use heed::EnvOpenOptions;
-use maplit::hashset;
 use milli::documents::mmap_from_objects;
 use milli::progress::Progress;
 use milli::update::new::indexer;
 use milli::update::{IndexerConfig, Settings};
 use milli::vector::EmbeddingConfigs;
-use milli::{FacetDistribution, Index, Object, OrderBy};
+use milli::{FacetDistribution, FilterableAttributesRule, Index, Object, OrderBy};
 use serde_json::{from_value, json};
 
 #[test]
@@ -21,10 +20,10 @@ fn test_facet_distribution_with_no_facet_values() {
     let config = IndexerConfig::default();
     let mut builder = Settings::new(&mut wtxn, &index, &config);
 
-    builder.set_filterable_fields(hashset! {
-        S("genres"),
-        S("tags"),
-    });
+    builder.set_filterable_fields(vec![
+        FilterableAttributesRule::Field(S("genres")),
+        FilterableAttributesRule::Field(S("tags")),
+    ]);
     builder.execute(|_| (), || false).unwrap();
     wtxn.commit().unwrap();
 
diff --git a/crates/milli/tests/search/mod.rs b/crates/milli/tests/search/mod.rs
index 337a4c88c..72b124219 100644
--- a/crates/milli/tests/search/mod.rs
+++ b/crates/milli/tests/search/mod.rs
@@ -11,7 +11,9 @@ use milli::progress::Progress;
 use milli::update::new::indexer;
 use milli::update::{IndexerConfig, Settings};
 use milli::vector::EmbeddingConfigs;
-use milli::{AscDesc, Criterion, DocumentId, Index, Member, TermsMatchingStrategy};
+use milli::{
+    AscDesc, Criterion, DocumentId, FilterableAttributesRule, Index, Member, TermsMatchingStrategy,
+};
 use serde::{Deserialize, Deserializer};
 use slice_group_by::GroupBy;
 
@@ -42,14 +44,14 @@ pub fn setup_search_index_with_criteria(criteria: &[Criterion]) -> Index {
     let mut builder = Settings::new(&mut wtxn, &index, &config);
 
     builder.set_criteria(criteria.to_vec());
-    builder.set_filterable_fields(hashset! {
-        S("tag"),
-        S("asc_desc_rank"),
-        S("_geo"),
-        S("opt1"),
-        S("opt1.opt2"),
-        S("tag_in")
-    });
+    builder.set_filterable_fields(vec![
+        FilterableAttributesRule::Field(S("tag")),
+        FilterableAttributesRule::Field(S("asc_desc_rank")),
+        FilterableAttributesRule::Field(S("_geo")),
+        FilterableAttributesRule::Field(S("opt1")),
+        FilterableAttributesRule::Field(S("opt1.opt2")),
+        FilterableAttributesRule::Field(S("tag_in")),
+    ]);
     builder.set_sortable_fields(hashset! {
         S("tag"),
         S("asc_desc_rank"),