diff --git a/milli/src/update/index_documents/mod.rs b/milli/src/update/index_documents/mod.rs
index 0951cf227..493935a79 100644
--- a/milli/src/update/index_documents/mod.rs
+++ b/milli/src/update/index_documents/mod.rs
@@ -407,7 +407,7 @@ where
         // We write the external documents ids into the main database.
         self.index.put_external_documents_ids(self.wtxn, &external_documents_ids)?;
 
-        let all_documents_ids = index_documents_ids | new_documents_ids | replaced_documents_ids;
+        let all_documents_ids = index_documents_ids | new_documents_ids;
         self.index.put_documents_ids(self.wtxn, &all_documents_ids)?;
 
         self.execute_prefix_databases(
diff --git a/milli/src/update/index_documents/transform.rs b/milli/src/update/index_documents/transform.rs
index b61395a96..8818909a3 100644
--- a/milli/src/update/index_documents/transform.rs
+++ b/milli/src/update/index_documents/transform.rs
@@ -249,11 +249,10 @@ impl<'a, 'i> Transform<'a, 'i> {
                         None => self.flattened_sorter.insert(docid.to_be_bytes(), base_obkv)?,
                     }
                 }
-            } else {
-                self.new_documents_ids.insert(docid);
             }
 
             if !skip_insertion {
+                self.new_documents_ids.insert(docid);
                 // We use the extracted/generated user id as the key for this document.
                 self.original_sorter.insert(&docid.to_be_bytes(), obkv_buffer.clone())?;