diff --git a/usr.sbin/moused/Makefile b/usr.sbin/moused/Makefile
index a313a213ac80..623954efce42 100644
--- a/usr.sbin/moused/Makefile
+++ b/usr.sbin/moused/Makefile
@@ -3,6 +3,8 @@
 PROG=	moused
 MAN=	moused.8
 
+WARNS?=6
+
 DPADD=	${LIBUTIL}  ${LIBM}
 LDADD=	-lutil -lm