diff --git a/sbin/reboot/Makefile b/sbin/reboot/Makefile
index 486d880a9af1..1629873efd73 100644
--- a/sbin/reboot/Makefile
+++ b/sbin/reboot/Makefile
@@ -2,6 +2,7 @@
 # $FreeBSD$
 
 PROG=	reboot
+WARNS?=	2
 DPADD=	${LIBUTIL}
 LDADD=	-lutil
 MAN=	reboot.8 boot_i386.8
diff --git a/sbin/reboot/reboot.c b/sbin/reboot/reboot.c
index 7fa378f7b006..61f971d40e3b 100644
--- a/sbin/reboot/reboot.c
+++ b/sbin/reboot/reboot.c
@@ -70,7 +70,8 @@ main(int argc, char *argv[])
 	struct passwd *pw;
 	int ch, howto, i, lflag, nflag, qflag, pflag, sverrno;
 	u_int pageins;
-	char *p, *user;
+	char *p;
+	const char *user;
 
 	if (strstr((p = rindex(*argv, '/')) ? p + 1 : *argv, "halt")) {
 		dohalt = 1;