diff --git a/packages/Sarga/Shop/src/Models/Order.php b/packages/Sarga/Shop/src/Models/Order.php
index 6fc2c191a..aba1e7f17 100644
--- a/packages/Sarga/Shop/src/Models/Order.php
+++ b/packages/Sarga/Shop/src/Models/Order.php
@@ -2,7 +2,7 @@
 
 namespace Sarga\Shop\Models;
 
-class Order extends \Webkul\Sales\Models\Order
+class Order extends \Webkul\Sales\Models\Order implements \Sarga\Shop\Contracts\Order
 {
     public const STATUS_PURCHASE = 'purchase';