1 files changed, 2 insertions, 2 deletions
diff --git a/etc/rc.shutdown b/etc/rc.shutdown
index 257a577..9d46ad2 100755
--- a/etc/rc.shutdown
+++ b/etc/rc.shutdown
@@ -1,7 +1,7 @@
 #!/bin/sh
 
-if [ -f /var/run/config.lock ]; then
-	echo "Cannot reboot at this moment, a config write operation is in progress."
+if ! /usr/bin/lockf -s -t 30 /tmp/config.lock /usr/bin/true; then
+	echo "Cannot shutdown at this moment, a config write operation is in progress and 30 seconds have passed."
 	exit -1
 fi