diff --git a/rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/41_knn_search_bbq_hnsw.yml b/rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/41_knn_search_bbq_hnsw.yml
index d316f2fc3ca97..fad9b52484f36 100644
--- a/rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/41_knn_search_bbq_hnsw.yml
+++ b/rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/41_knn_search_bbq_hnsw.yml
@@ -75,6 +75,9 @@ setup:
       indices.forcemerge:
         index: bbq_hnsw
         max_num_segments: 1
+
+  - do:
+      indices.refresh: { }
 ---
 "Test knn search":
   - requires: