diff --git a/src/Marello/Bundle/OrderBundle/Controller/OrderAjaxController.php b/src/Marello/Bundle/OrderBundle/Controller/OrderAjaxController.php
index d62f59fff..f10e21978 100644
--- a/src/Marello/Bundle/OrderBundle/Controller/OrderAjaxController.php
+++ b/src/Marello/Bundle/OrderBundle/Controller/OrderAjaxController.php
@@ -57,6 +57,6 @@ public function formChangesAction(Request $request, Order $order = null)
      */
     protected function getType(Order $order)
     {
-        return $this->createForm(OrderType::class, $order);
+        return $this->createForm('marello_order_order', $order);
     }
 }