diff --git a/airflow/providers/google/cloud/example_dags/example_datastore.py b/airflow/providers/google/cloud/example_dags/example_datastore.py
index 8dc1f50a9cb48..f87164641f7b9 100644
--- a/airflow/providers/google/cloud/example_dags/example_datastore.py
+++ b/airflow/providers/google/cloud/example_dags/example_datastore.py
@@ -131,7 +131,7 @@
 
     # [START how_to_query_def]
     QUERY = {
-        "partitionId": {"projectId": GCP_PROJECT_ID, "namespaceId": ""},
+        "partitionId": {"projectId": GCP_PROJECT_ID, "namespaceId": "query"},
         "readOptions": {"transaction": begin_transaction_query.output},
         "query": {},
     }