diff --git a/Model/Giftcard/Request/Giftcard.php b/Model/Giftcard/Request/Giftcard.php
index fc19a911c..6b62f6c73 100644
--- a/Model/Giftcard/Request/Giftcard.php
+++ b/Model/Giftcard/Request/Giftcard.php
@@ -359,7 +359,7 @@ protected function getParameterNameCardNumber(): string
             return 'intersolveCardnumber';
         }
 
-        return 'cardnumber';
+        return 'cardNumber';
     }
 
     /**