diff --git a/paddle/operators/net_op_test.cc b/paddle/operators/net_op_test.cc
index ea6327f1b08eda3071884ec6e566c491f1912329..019c2569431b6978a7f674b13bd558e0b7e9921d 100644
--- a/paddle/operators/net_op_test.cc
+++ b/paddle/operators/net_op_test.cc
@@ -60,9 +60,9 @@ TEST(OpKernel, all) {
 
 TEST(NetOp, insert_op) {
   NetOp net;
-  auto op1 = std::shared_ptr<NOP>(
-      new NOP("empty", {{"X", {"x"}}, {"W", {"w1"}}, {"b", {"b1"}}},
-              {{"Out", {"y"}}}, {}));
+  auto op1 = std::shared_ptr<framework::NOP>(
+      new framework::NOP("empty", {{"X", {"x"}}, {"W", {"w1"}}, {"b", {"b1"}}},
+                         {{"Out", {"y"}}}, {}));
   net.AddOp(op1);
   net.InsertOp(0, op1);
   ASSERT_EQ(2UL, net.ops_.size());