diff --git a/openmptcprouter/files/etc/init.d/openmptcprouter-vps b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
index 5aa951943..b5e6b66e2 100755
--- a/openmptcprouter/files/etc/init.d/openmptcprouter-vps
+++ b/openmptcprouter/files/etc/init.d/openmptcprouter-vps
@@ -79,6 +79,9 @@ _get_json() {
 		else
 			result=`curl --max-time 10 -s -k -H "accept: application/json" -H "Authorization: Bearer $token" https://[$server]:$serverport/$route`
 		fi
+		if [ "$(echo $result | grep 'Could not validate credentials')" ]; then
+			result=''
+		fi
 		echo $result
 	} || {
 		echo ''
@@ -2264,6 +2267,8 @@ _config_service() {
 
 	[ -z "$vps_config" ] && vps_config=$(_get_json "config")
 	[ -z "$vps_config" ] && return
+	kernel="$(echo "$vps_config" | jsonfilter -q -e '@.vps.kernel')"
+	[ -z "$kernel" ] && return
 	user_permission="$(echo "$vps_config" | jsonfilter -q -e '@.user.permission')"
 
 	if [ "$user_permission" != "ro" ]; then