diff --git a/libexec/rc/rc.subr b/libexec/rc/rc.subr
--- a/libexec/rc/rc.subr
+++ b/libexec/rc/rc.subr
@@ -1039,6 +1039,15 @@
 			fi
 		fi
 
+		if [ "$rc_arg" = "start" ]; then
+			_mtree_file="$(dirname "$(dirname "$rc_service")")"/mtree
+			_mtree_file="$_mtree_file/$(basename "$rc_service")"
+			if [ -f "$_mtree_file" ]; then
+				/usr/sbin/mtree -deiU -f "$_mtree_file" \
+				  -p / > /dev/null
+			fi
+		fi
+
 		if [ $rc_arg = "start" -a -z "$rc_fast" -a -n "$rc_pid" ]; then
 			if [ -z "$rc_quiet" ]; then
 				echo 1>&2 "${name} already running? " \