diff --git a/core/main.mk b/core/main.mk
index 878e3f177c..fdf25673b8 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -335,6 +335,7 @@ subdirs += \
 	development/tools/ninepatch \
 	development/tools/sdkstats \
 	development/tools/sdkmanager \
+	development/tools/mkstubs \
 	frameworks/base \
 	frameworks/base/tools/layoutlib \
 	external/googleclient \