diff --git a/interface/lib/classes/validate_cron.inc.php b/interface/lib/classes/validate_cron.inc.php
index 42d9eb67f3bf12ffd2453874c791f210e502aee7..c42e06dc9280591977e3d4abe412b6e148776662 100644
--- a/interface/lib/classes/validate_cron.inc.php
+++ b/interface/lib/classes/validate_cron.inc.php
@@ -52,7 +52,7 @@ class validate_cron {
             
             if($parsed["scheme"] != "http" && $parsed["scheme"] != "https") return $this->get_error($validator['errmsg']);
             
-            if(preg_match("'^([a-z0-9][a-z0-9-]{0,62}\.)+([a-z]{2,4})$'i", $parsed["host"]) == false) return $this->get_error($validator['errmsg']);
+            if(preg_match("'^([a-z0-9][a-z0-9-]{0,62}\.)+([a-z]{2,30})$'i", $parsed["host"]) == false) return $this->get_error($validator['errmsg']);
         }
     }