diff --git a/google/cloud/bigquery/dbapi/cursor.py b/google/cloud/bigquery/dbapi/cursor.py
index 74f8aec4e..e2819e6d1 100644
--- a/google/cloud/bigquery/dbapi/cursor.py
+++ b/google/cloud/bigquery/dbapi/cursor.py
@@ -222,7 +222,7 @@ def _try_fetch(self, size=None):
 
         is_dml = (
             self._query_job.statement_type
-            and self._query_job.statement_type.upper() != "SELECT"
+            and self._query_job.statement_type.upper() not in ("SELECT", "SCRIPT")
         )
         if is_dml:
             self._query_data = iter([])