diff --git a/services/surfaceflinger/Android.mk b/services/surfaceflinger/Android.mk
index 89779af..73184db 100644
--- a/services/surfaceflinger/Android.mk
+++ b/services/surfaceflinger/Android.mk
@@ -25,6 +25,7 @@
     DisplayHardware/ComposerHal.cpp \
     DisplayHardware/FramebufferSurface.cpp \
     DisplayHardware/HWC2.cpp \
+    DisplayHardware/HWComposerBufferCache.cpp \
     DisplayHardware/PowerHAL.cpp \
     DisplayHardware/VirtualDisplaySurface.cpp \
     Effects/Daltonizer.cpp \