diff --git a/libutils/Android.mk b/libutils/Android.mk
index 7e6b1be..720443e 100644
--- a/libutils/Android.mk
+++ b/libutils/Android.mk
@@ -26,6 +26,8 @@
 	LinearAllocator.cpp \
 	LinearTransform.cpp \
 	Log.cpp \
+	Printer.cpp \
+	ProcessCallStack.cpp \
 	PropertyMap.cpp \
 	RefBase.cpp \
 	SharedBuffer.cpp \