diff --git a/sbin/devfs/Makefile b/sbin/devfs/Makefile
index 59c0178ea2b..95d2540272e 100644
--- a/sbin/devfs/Makefile
+++ b/sbin/devfs/Makefile
@@ -3,6 +3,6 @@
 PROG=	devfs
 SRCS=	devfs.c rule.c
 MAN=	devfs.8
-WARNS?=	4
+WARNS?=	5
 
 .include <bsd.prog.mk>