diff --git a/agents-api/agents_api/common/nlp.py b/agents-api/agents_api/common/nlp.py
index 6850be6a9..e01af83b6 100644
--- a/agents-api/agents_api/common/nlp.py
+++ b/agents-api/agents_api/common/nlp.py
@@ -272,4 +272,4 @@ def batch_text_to_tsvector_queries(
         # Add to results set
         results.add(queries)
 
-    return results
+    return list(results)