diff --git a/src/framework/operator.cpp b/src/framework/operator.cpp
index 46feb97cb879bb092e1a8f6955f7f50712f9ea3b..f798d7ade200208c1b199aee0410ed4c297ed7fd 100644
--- a/src/framework/operator.cpp
+++ b/src/framework/operator.cpp
@@ -48,7 +48,7 @@ void OperatorBase<Dtype>::CheckAllInputOutputSet() const {}
 template <typename Dtype>
 void OperatorBase<Dtype>::Run() const {
   RunImpl();
-#if (PADDLE_MOBILE_DEBUG)
+#ifdef PADDLE_MOBILE_DEBUG
   vector<string> output_keys = GetOutKeys();
   for (const auto key : output_keys) {
     Tensor *out_ = GetVarValue<framework::LoDTensor>(key, outputs_, *scope_);