diff --git a/core/lib/Thelia/Form/CartAdd.php b/core/lib/Thelia/Form/CartAdd.php
index 53496c513..59d13765d 100755
--- a/core/lib/Thelia/Form/CartAdd.php
+++ b/core/lib/Thelia/Form/CartAdd.php
@@ -99,8 +99,8 @@ class CartAdd extends BaseForm
                     "for" => "quantity"
                 )
             ))
-            ->add("append", "hidden")
-            ->add("newness", "hidden")
+            ->add("append", "integer")
+            ->add("newness", "integer")
         ;
     }