diff --git a/milli/src/search/criteria/asc_desc.rs b/milli/src/search/criteria/asc_desc.rs
index a5ea9b058..23dd860e1 100644
--- a/milli/src/search/criteria/asc_desc.rs
+++ b/milli/src/search/criteria/asc_desc.rs
@@ -197,9 +197,10 @@ fn facet_ordered<'t>(
             field_id,
             candidates.clone(),
         )?;
+
         let string_iter = make_iter(
             rtxn,
-            index.facet_id_f64_docids.remap_key_type::<FacetKeyCodec<MyByteSlice>>(),
+            index.facet_id_string_docids.remap_key_type::<FacetKeyCodec<MyByteSlice>>(),
             field_id,
             candidates,
         )?;
diff --git a/milli/src/update/index_documents/extract/mod.rs b/milli/src/update/index_documents/extract/mod.rs
index 1e414458f..208dfc74d 100644
--- a/milli/src/update/index_documents/extract/mod.rs
+++ b/milli/src/update/index_documents/extract/mod.rs
@@ -142,7 +142,7 @@ pub(crate) fn data_from_obkv_documents(
         indexer,
         lmdb_writer_sx.clone(),
         extract_facet_string_docids,
-        merge_roaring_bitmaps, // TODO: check (cbo?)
+        merge_cbo_roaring_bitmaps, // TODO: check (cbo?)
         TypedChunk::FieldIdFacetStringDocids,
         "field-id-facet-string-docids",
     );