diff --git a/usr.sbin/srtconfig/Makefile b/usr.sbin/srtconfig/Makefile
index af9ab28de342..be3efee81a66 100644
--- a/usr.sbin/srtconfig/Makefile
+++ b/usr.sbin/srtconfig/Makefile
@@ -1,7 +1,9 @@
-# $NetBSD: Makefile,v 1.2 2006/12/29 10:39:59 wiz Exp $
+# $NetBSD: Makefile,v 1.3 2020/02/09 15:10:31 fox Exp $
 # This file is in the public domain.
 
 PROG=	srtconfig
 SRCS=	srtconfig.c
 
+COPTS.srtconfig.c+=	${GCC_NO_STRINGOP_TRUNCATION}
+
 .include <bsd.prog.mk>