diff --git a/paddle/utils/Util.cpp b/paddle/utils/Util.cpp
index 53e26d7b3d67b9dfcc41d823efb3258d1ee164cc..0f778dbebf4e124c7a240d738b8f73cef03fc477 100644
--- a/paddle/utils/Util.cpp
+++ b/paddle/utils/Util.cpp
@@ -152,6 +152,11 @@ void initMain(int argc, char** argv) {
     line += ' ';
   }
   LOG(INFO) << "commandline: " << line;
+
+#ifndef GFLAGS_GFLAGS_H_
+  namespace gflags = google;
+#endif
+
   gflags::ParseCommandLineFlags(&argc, &argv, true);
   CHECK_EQ(argc, 1) << "Unknown commandline argument: " << argv[1];