diff --git a/paddle/fluid/operators/detail/variable_response.h b/paddle/fluid/operators/detail/variable_response.h
index 59a92f7155b175a9c9df70d42b285e87ab85eb8d..8c05e60cecf9b449148268ec04e47e4c8e85e210 100644
--- a/paddle/fluid/operators/detail/variable_response.h
+++ b/paddle/fluid/operators/detail/variable_response.h
@@ -46,7 +46,9 @@ class VariableResponse {
   }
 
   virtual ~VariableResponse() {
-    if (create_scope_) scope_->DeleteScope(local_scope_);
+    if (create_scope_) {
+      scope_->DeleteScope(local_scope_);
+    }
   }
 
   // return: