diff --git a/inc/tasks/myalerts.php b/inc/tasks/myalerts.php
index bf5377b..ffc5ed8 100755
--- a/inc/tasks/myalerts.php
+++ b/inc/tasks/myalerts.php
@@ -24,7 +24,7 @@ function task_myalerts($task)
 		$lang->load('myalerts');
 	}
 
-	if ($db->delete_query('alerts', '(dateline<='.(TIME_NOW-$unread_time).' AND unread = 1) OR (dateline<='.(TIME_NOW-$read_time).' AND unread = 0)')) {
+	if ($db->delete_query('alerts', '(dateline <= \''.date('Y-m-d H:i:s', TIME_NOW-$unread_time).'\' AND unread = 1) OR (dateline <= \''.date('Y-m-d H:i:s', TIME_NOW-$read_time).'\' AND unread = 0)')) {
 		add_task_log($task, $lang->myalerts_task_cleanup_ran);
 	} else {
 		add_task_log($task, $lang->myalerts_task_cleanup_error);