diff --git a/usr.sbin/fwcontrol/Makefile b/usr.sbin/fwcontrol/Makefile
index ec0e67f67d20..4eb8611e8026 100644
--- a/usr.sbin/fwcontrol/Makefile
+++ b/usr.sbin/fwcontrol/Makefile
@@ -1,13 +1,14 @@
 # $FreeBSD$
 
 PROG=	fwcontrol
 SRCS=	fwcontrol.c fwcrom.c fwdv.c fwmpegts.c
 MAN=	fwcontrol.8
 WARNS?=	3
 
 .PATH:	${SRCTOP}/sys/dev/firewire
 
 SDIR= ${SRCTOP}/sys
 CFLAGS+=-I${.CURDIR} -I${SDIR}
+CWARNFLAGS+=	${NO_WZERO_LENGTH_BOUNDS}
 
 .include <bsd.prog.mk>