diff --git a/src/langchain_google_spanner/vector_store.py b/src/langchain_google_spanner/vector_store.py
index b5084e80..503d763c 100644
--- a/src/langchain_google_spanner/vector_store.py
+++ b/src/langchain_google_spanner/vector_store.py
@@ -833,7 +833,9 @@ def similarity_search_with_score_by_vector(
         """
 
         results, column_order_map = self._get_rows_by_similarity_search(
-            embedding, k, pre_filter
+            embedding=embedding,
+            k=k,
+            pre_filter=pre_filter
         )
         documents = self._get_documents_from_query_results(
             list(results), column_order_map