diff --git a/sys/arch/mmeye/stand/bootcoff/Makefile b/sys/arch/mmeye/stand/bootcoff/Makefile
index 9fa9db49432b..5e507adbf993 100644
--- a/sys/arch/mmeye/stand/bootcoff/Makefile
+++ b/sys/arch/mmeye/stand/bootcoff/Makefile
@@ -1,7 +1,8 @@
-#	$NetBSD: Makefile,v 1.2 2001/12/12 01:49:46 tv Exp $
+#	$NetBSD: Makefile,v 1.3 2016/01/25 16:34:52 christos Exp $
 
 PROG=	osloader
 SRCS=	osloader.c
+CPPFLAGS+=	-D_KERNTYPES
 NOMAN=
 # defined
 .include <bsd.prog.mk>