diff --git a/core/main.mk b/core/main.mk
index 81bebc8..3ec3189 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -446,6 +446,8 @@
 subdirs := \
 	bionic \
 	system/core \
+	system/extras/ext4_utils \
+	system/extras/su \
 	build/libs \
 	build/target \
 	build/tools/acp \