diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index d8152e0..d9bca04 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -40,6 +40,7 @@
     RenderEngine/Texture.cpp \
     RenderEngine/GLES20RenderEngine.cpp \
     LayerProtoHelper.cpp \
+    RenderArea.cpp \
 
 LOCAL_MODULE := libsurfaceflinger
 LOCAL_C_INCLUDES := \