diff --git a/paddle/fluid/operators/controlflow/while_op.cc b/paddle/fluid/operators/controlflow/while_op.cc
index 0433e0ae12c71f6c152eaf14f0c68d2b243b9750..6fa309f0e2d90b56dec3ebb9d6e7a745bcb851d0 100644
--- a/paddle/fluid/operators/controlflow/while_op.cc
+++ b/paddle/fluid/operators/controlflow/while_op.cc
@@ -198,7 +198,8 @@ class WhileOpMaker : public framework::OpProtoAndCheckerMaker {
     AddAttr<std::vector<std::string>>(kSkipEagerDeletionVars,
                                       "Vars that would skip eager deletion."
                                       "Users should not set this manually.")
-        .SetDefault(std::vector<std::string>());
+        .SetDefault(std::vector<std::string>())
+        .AsExtra();
     AddComment(R"DOC(
 )DOC");
   }