diff --git a/system/src/Grav/Common/Scheduler/Cron.php b/system/src/Grav/Common/Scheduler/Cron.php
index cb27d651c..f75afb077 100644
--- a/system/src/Grav/Common/Scheduler/Cron.php
+++ b/system/src/Grav/Common/Scheduler/Cron.php
@@ -569,7 +569,7 @@ class Cron
                 return [];
             }
         }
-        sort($array);
+        sort($array, SORT_NUMERIC);
 
         return $array;
     }