diff --git a/app/code/community/Bitpay/Bitcoins/controllers/IndexController.php b/app/code/community/Bitpay/Bitcoins/controllers/IndexController.php
index 6c90e60..b270a1f 100644
--- a/app/code/community/Bitpay/Bitcoins/controllers/IndexController.php
+++ b/app/code/community/Bitpay/Bitcoins/controllers/IndexController.php
@@ -60,6 +60,11 @@ class Bitpay_Bitcoins_IndexController extends Mage_Core_Controller_Front_Action
             $method = Mage::getModel('Bitcoins/paymentMethod');
             $method->MarkOrderPaid($order);
             break;
+          case 'expired':
+          case 'invalid':
+            $method = Mage::getModel('Bitcoins/paymentMethod');
+            $method->MarkOrderCancelled($order);
+            break;
         }
 
     }