diff --git a/board/shmin/Makefile b/board/shmin/Makefile
index daf36de..d169661 100644
--- a/board/shmin/Makefile
+++ b/board/shmin/Makefile
@@ -7,4 +7,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 
 obj-y	:= shmin.o
-obj-y	+= lowlevel_init.o
+extra-y	+= lowlevel_init.o