diff --git a/sbin/ipfw/Makefile b/sbin/ipfw/Makefile
index e49fe99a4adb..023f682b25f5 100644
--- a/sbin/ipfw/Makefile
+++ b/sbin/ipfw/Makefile
@@ -2,7 +2,7 @@
 
 PROG=	ipfw
 SRCS=	ipfw2.c
-#WARNS=	0
+WARNS?=	0
 MAN=	ipfw.8
 
 .include <bsd.prog.mk>