diff --git a/start.php b/start.php
index fe394b8..9425a2d 100644
--- a/start.php
+++ b/start.php
@@ -7,7 +7,7 @@
  */
 
     $uid = $_GET['uid'];
-    $length = ($_GET['length'] && gettype(+$_GET['length']) == 'integer') ? $_GET['length'] : 10;
+    $length = ($_GET['length'] && gettype($_GET['length']+0) == 'integer') ? $_GET['length'] : 10;
     echo gettype($length);
 
 ?>