diff --git a/src/Message/Response.php b/src/Message/Response.php
index db9cd6b..85ea842 100644
--- a/src/Message/Response.php
+++ b/src/Message/Response.php
@@ -15,7 +15,9 @@ class Response extends AbstractResponse
 {
     public function isSuccessful()
     {
-        return isset($this->data['respcode']) && $this->data['respcode'] == '00';
+        return isset($this->data['respcode']) && (
+            $this->data['respcode'] == '00' || ($this->data['amount'] == '0' && $this->data['respcode'] === '785')
+        );
     }
 
     public function getTransactionReference()