diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 35648ce..1fbe99f 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -95,6 +95,7 @@
 class MessageBase;
 class RefreshRateOverlay;
 class RegionSamplingThread;
+class RenderArea;
 class TimeStats;
 class FrameTracer;