diff --git a/src/Message/AIMResponse.php b/src/Message/AIMResponse.php
index <HASH>..<HASH> 100644
--- a/src/Message/AIMResponse.php
+++ b/src/Message/AIMResponse.php
@@ -24,7 +24,7 @@ class AIMResponse extends AbstractResponse
         $xml = preg_replace('/<createTransactionResponse[^>]+>/', '<createTransactionResponse>', (string)$data);
 
         try {
-            $xml = simplexml_load_string($xml);
+            $xml = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOWARNING);
         } catch (\Exception $e) {
             throw new InvalidResponseException();
         }
Forgot to save file before last commit.