diff --git a/libexec/rc/rc.d/machine_id b/libexec/rc/rc.d/machine_id
index 7cfd7b2d92f8..8bf3e41d0603 100644
--- a/libexec/rc/rc.d/machine_id
+++ b/libexec/rc/rc.d/machine_id
@@ -1,34 +1,34 @@
 #!/bin/sh
 #
 # $FreeBSD$
 #
 
 # PROVIDE: machine_id
 # REQUIRE: mountcritremote FILESYSTEMS
 # BEFORE:  LOGIN
 
 . /etc/rc.subr
 
 : ${machine_id_file:=/var/db/machine-id}
 : ${machine_id_perms:=444}
 name="machine_id"
 desc="Update ${machine_id_file}"
 rcvar="machine_id_enable"
 start_cmd="machine_id_start"
 stop_cmd=":"
 
 
 machine_id_start()
 {
 	if [ ! -f ${machine_id_file} ] ; then
 		startmsg -n "Creating ${machine_id_file} "
 		t=$(mktemp -t machine-id)
-		/bin/uuidgen -r -o $t
+		/bin/uuidgen -r -c -o $t
 		install -C -o root -g wheel -m ${machine_id_perms} "$t" "${machine_id_file}"
 		rm -f "$t"
 		startmsg 'done.'
 	fi
 }
 
 load_rc_config $name
 run_rc_command "$1"