diff --git a/libs/surfaceflinger/Android.mk b/libs/surfaceflinger/Android.mk
index 496e271..2212436 100644
--- a/libs/surfaceflinger/Android.mk
+++ b/libs/surfaceflinger/Android.mk
@@ -16,6 +16,7 @@
     LayerBitmap.cpp \
     LayerDim.cpp \
     LayerOrientationAnim.cpp \
+    LayerOrientationAnimRotate.cpp \
     OrientationAnimation.cpp \
     SurfaceFlinger.cpp \
     Tokenizer.cpp \