diff --git a/cadline/modules/modules/mod_alworkshops/assets/ajax/alworkshops.class.php b/cadline/modules/modules/mod_alworkshops/assets/ajax/alworkshops.class.php
index 8ed0576c..762f610d 100644
--- a/cadline/modules/modules/mod_alworkshops/assets/ajax/alworkshops.class.php
+++ b/cadline/modules/modules/mod_alworkshops/assets/ajax/alworkshops.class.php
@@ -187,7 +187,7 @@ class Controller extends BaseController
         }
 
         //      application rekord mentés
-        $app['user_id'] = $_POST['hidden_id'];
+        $app['user_id'] = (int)$_POST['hidden_id'];
         $app['name'] = trim(addslashes(ucwords($_POST['usr'])));
         $app['email'] = trim(addslashes($_POST['email']));
         MySqlHelper::getInstance()->insert('alworkshops_application', $app);