diff --git a/Behavioral/State/ShippingOrder.php b/Behavioral/State/ShippingOrder.php
index 025ac3264..fdc699dec 100644
--- a/Behavioral/State/ShippingOrder.php
+++ b/Behavioral/State/ShippingOrder.php
@@ -44,6 +44,6 @@ public function completeOrder()
         $this->order['updatedTime'] = time();
 
         // Setting the new order status into database;
-        return $this->updateOrder($order);
+        return $this->updateOrder($this->order);
     }
 }