diff --git a/backend/danswer/document_index/vespa/app_config/schemas/danswer_chunk.sd b/backend/danswer/document_index/vespa/app_config/schemas/danswer_chunk.sd
index e712266fa..8789a0534 100644
--- a/backend/danswer/document_index/vespa/app_config/schemas/danswer_chunk.sd
+++ b/backend/danswer/document_index/vespa/app_config/schemas/danswer_chunk.sd
@@ -4,6 +4,8 @@ schema DANSWER_CHUNK_NAME {
         # Not to be confused with the UUID generated for this chunk which is called documentid by default
         field document_id type string {
             indexing: summary | attribute
+            attribute: fast-search
+            rank: filter
         }
         field chunk_id type int {
             indexing: summary | attribute