diff --git a/paddle/memory/memcpy.cc b/paddle/memory/memcpy.cc
index 804369de8240b8354291c85e5f3dcdec04f65e78..098931c887479ce6f1afc8b90e4003758d88c018 100644
--- a/paddle/memory/memcpy.cc
+++ b/paddle/memory/memcpy.cc
@@ -65,3 +65,6 @@ void Copy<platform::GPUPlace, platform::GPUPlace>(platform::GPUPlace dst_place,
 }
 
 #endif  // PADDLE_ONLY_CPU
+
+}  // namespace memory
+}  // namespace paddle