diff --git a/libs/gui/Android.mk b/libs/gui/Android.mk
index f627e5d..c14c950 100644
--- a/libs/gui/Android.mk
+++ b/libs/gui/Android.mk
@@ -2,6 +2,8 @@
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES:= \
+	IGraphicBufferConsumer.cpp \
+	IConsumerListener.cpp \
 	BitTube.cpp \
 	BufferItemConsumer.cpp \
 	BufferQueue.cpp \