diff --git a/sbin/mount_reiserfs/Makefile b/sbin/mount_reiserfs/Makefile
index 686629fe1843..bd11a4b8ac64 100644
--- a/sbin/mount_reiserfs/Makefile
+++ b/sbin/mount_reiserfs/Makefile
@@ -7,6 +7,7 @@ MAN  = mount_reiserfs.8
 # mount_reiserfs needs mntopts.h and getmntopts.c from src/sbin/mount/
 MOUNT  ?= ${.CURDIR}/../mount
 CFLAGS += -I${MOUNT}
+WARNS ?= 6
 
 .PATH: ${MOUNT}