diff --git a/controllers/front/OrderController.php b/controllers/front/OrderController.php
index f95e20dad..54249706e 100644
--- a/controllers/front/OrderController.php
+++ b/controllers/front/OrderController.php
@@ -179,7 +179,7 @@ class OrderControllerCore extends ParentOrderController
 						$order = new Order((int)$id_order);
 						$email = $this->context->customer->email;
 						$this->context->customer->mylogout(); // If guest we clear the cookie for security reason
-						Tools::redirect('index.php?controller=guest-tracking&id_order='.(int)$order->reference.'&email='.urlencode($email));
+						Tools::redirect('index.php?controller=guest-tracking&id_order='.urlencode($order->reference).'&email='.urlencode($email));
 					}
 					else
 						Tools::redirect('index.php?controller=history');