diff --git a/services/automotive/display/include/CarWindowService.h b/services/automotive/display/include/CarWindowService.h
index d635f5a..a32ed7c 100644
--- a/services/automotive/display/include/CarWindowService.h
+++ b/services/automotive/display/include/CarWindowService.h
@@ -55,7 +55,7 @@
     sp<android::SurfaceComposerClient> mSurfaceComposerClient;
     sp<android::SurfaceControl> mSurfaceControl;
     DisplayConfig mDpyConfig;
-    DisplayState  mDpyState;
+    ui::DisplayState mDpyState;
 };
 }  // namespace implementation
 }  // namespace V1_0