diff --git a/src/Common/Message/AbstractResponse.php b/src/Common/Message/AbstractResponse.php
index e958f4b2..4fe58294 100644
--- a/src/Common/Message/AbstractResponse.php
+++ b/src/Common/Message/AbstractResponse.php
@@ -153,7 +153,7 @@ public function getTransactionReference()
      */
     public function getTransactionId()
     {
-        return null;
+        return $this->request->getTransactionId();
     }
 
     /**