diff --git a/usr.bin/sed/Makefile b/usr.bin/sed/Makefile
index 60dc27172b93..a741da3233e6 100644
--- a/usr.bin/sed/Makefile
+++ b/usr.bin/sed/Makefile
@@ -1,13 +1,15 @@
 #	@(#)Makefile	8.1 (Berkeley) 6/6/93
 # $FreeBSD$
 
 .include <src.opts.mk>
 
 PROG=	sed
 SRCS=	compile.c main.c misc.c process.c
 
+WARNS?=	2
+
 .if ${MK_TESTS} != "no"
 SUBDIR+= tests
 .endif
 
 .include <bsd.prog.mk>