diff --git a/server/lib/classes/cron.d/300-quota_notify.inc.php b/server/lib/classes/cron.d/300-quota_notify.inc.php
index d250fe74665897c632af5ca1bb85f269fd9cafd1..cd87a12fa3610f60d5b109e966cc2ab5110ccadf 100644
--- a/server/lib/classes/cron.d/300-quota_notify.inc.php
+++ b/server/lib/classes/cron.d/300-quota_notify.inc.php
@@ -429,7 +429,7 @@ class cronjob_quota_notify extends cronjob {
 
 					foreach ($monitor_data as $cid) {
 
-						foreach($cid_data as $monitor) {
+						foreach($cid as $monitor) {
 
 							if ($monitor['database_name'] == $database) {
 								//* get the client