diff --git a/milli/src/index.rs b/milli/src/index.rs
index ba7747250..584ffab56 100644
--- a/milli/src/index.rs
+++ b/milli/src/index.rs
@@ -558,6 +558,7 @@ pub(crate) mod tests {
             { "name": "bob", "age": 20 }
         ]"#[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Json);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
diff --git a/milli/src/update/index_documents/mod.rs b/milli/src/update/index_documents/mod.rs
index ff7dcec77..3acae7821 100644
--- a/milli/src/update/index_documents/mod.rs
+++ b/milli/src/update/index_documents/mod.rs
@@ -300,7 +300,7 @@ impl<'t, 'u, 'i, 'a> IndexDocuments<'t, 'u, 'i, 'a> {
             words_positions_min_level_size: None,
             update_method: IndexDocumentsMethod::ReplaceDocuments,
             update_format: UpdateFormat::Json,
-            autogenerate_docids: true,
+            autogenerate_docids: false,
             update_id,
         }
     }
@@ -901,7 +901,6 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name\nkevin\nkevina\nbenoit\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
-        builder.disable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         assert!(builder.execute(content, |_, _| ()).is_err());
         wtxn.commit().unwrap();
@@ -928,7 +927,6 @@ mod tests {
             { "name": "benoit" }
         ]"#[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
-        builder.disable_autogenerate_docids();
         builder.update_format(UpdateFormat::Json);
         assert!(builder.execute(content, |_, _| ()).is_err());
         wtxn.commit().unwrap();
@@ -951,6 +949,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name\nkevin\nkevina\nbenoit\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -1066,6 +1065,7 @@ mod tests {
             { "name": "benoit" }
         ]"#[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Json);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -1088,6 +1088,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"[]"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Json);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -1114,6 +1115,7 @@ mod tests {
         { "name": "benoit" }
         "#[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::JsonStream);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
diff --git a/milli/src/update/settings.rs b/milli/src/update/settings.rs
index 62aa8db97..c4d4fcfce 100644
--- a/milli/src/update/settings.rs
+++ b/milli/src/update/settings.rs
@@ -517,6 +517,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age\nkevin,23\nkevina,21\nbenoit,34\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -560,6 +561,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age\nkevin,23\nkevina,21\nbenoit,34\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -581,6 +583,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age\nkevin,23\nkevina,21\nbenoit,34\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
 
@@ -625,6 +628,7 @@ mod tests {
         // Then index some documents.
         let content = &b"name,age\nkevin,23\nkevina,21\nbenoit,34\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 1);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -663,6 +667,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age\nkevin,23\nkevina,21\nbenoit,34\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
         wtxn.commit().unwrap();
@@ -684,6 +689,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age,maxim\nkevin,23,I love dogs\nkevina,21,Doggos are the best\nbenoit,34,The crepes are really good\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();
 
@@ -754,6 +760,7 @@ mod tests {
         let mut wtxn = index.write_txn().unwrap();
         let content = &b"name,age,maxim\nkevin,23,I love dogs\nkevina,21,Doggos are the best\nbenoit,34,The crepes are really good\n"[..];
         let mut builder = IndexDocuments::new(&mut wtxn, &index, 0);
+        builder.enable_autogenerate_docids();
         builder.update_format(UpdateFormat::Csv);
         builder.execute(content, |_, _| ()).unwrap();