diff --git a/paddle/fluid/operators/mul_op.cc b/paddle/fluid/operators/mul_op.cc
index 381f7c1e98..ebb88fe282 100644
--- a/paddle/fluid/operators/mul_op.cc
+++ b/paddle/fluid/operators/mul_op.cc
@@ -93,8 +93,8 @@ class MulOp : public framework::OperatorWithKernel {
       library = framework::LibraryType::kMKLDNN;
       layout = framework::DataLayout::kMKLDNN;
 
-      if (input_data_type == framework::DataTypeTrait<int8_t>::DataType ||
-          input_data_type == framework::DataTypeTrait<uint8_t>::DataType) {
+      if (input_data_type == framework::DataTypeTrait<int8_t>::DataType() ||
+          input_data_type == framework::DataTypeTrait<uint8_t>::DataType()) {
         customized_type_value = kMULMKLDNNINT8;
       }
     }