diff --git a/board/ms7722se/Makefile b/board/ms7722se/Makefile
index 9f7af78..808d459 100644
--- a/board/ms7722se/Makefile
+++ b/board/ms7722se/Makefile
@@ -10,4 +10,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 
 obj-y	:= ms7722se.o
-obj-y	+= lowlevel_init.o
+extra-y	+= lowlevel_init.o