diff --git a/integrations/langchain/src/databricks_langchain/vectorstores.py b/integrations/langchain/src/databricks_langchain/vectorstores.py
index 1f247f3cc..f433fdd7a 100644
--- a/integrations/langchain/src/databricks_langchain/vectorstores.py
+++ b/integrations/langchain/src/databricks_langchain/vectorstores.py
@@ -653,7 +653,7 @@ def max_marginal_relevance_search(
 
         query_vector = self._embeddings.embed_query(query)  # type: ignore[union-attr]
         docs = self.max_marginal_relevance_search_by_vector(
-            query,
+            query_text,
             query_vector,
             k,
             fetch_k,