diff --git a/cli/Commands/Cronjobs/CronjobExecute.php b/cli/Commands/Cronjobs/CronjobExecute.php
index d4789ea84ba58af141e52b8912612b8982b4f85c..93b5ddbfc0b066fe141c0b4634763fd295741f8f 100644
--- a/cli/Commands/Cronjobs/CronjobExecute.php
+++ b/cli/Commands/Cronjobs/CronjobExecute.php
@@ -96,7 +96,7 @@ class CronjobExecute extends Command
                             if (strlen($value) && !ctype_digit($value)) {
                                 throw new \RuntimeException('Number is invalid.');
                             }
-                            return $value;
+                            return (int) $value;
                         });
                     }
                 }