diff --git a/src/Transaction.php b/src/Transaction.php
index 06450cd..65454fa 100644
--- a/src/Transaction.php
+++ b/src/Transaction.php
@@ -162,7 +162,7 @@ public function toXml()
         $type = $xml->addChild($params['type']);
         $efraud = in_array(
             $params['type'],
-            ['purchase', 'preauth', 'card_verification', 'cavv_purchase', 'cavv_preauth', 'res_purchase_cc']
+            ['purchase', 'preauth', 'card_verification', 'cavv_purchase', 'cavv_preauth', 'res_purchase_cc', 'res_preauth_cc']
         );
         unset($params['type']);