diff --git a/app/models/spree/billing_integration/paypal_express.rb b/app/models/spree/billing_integration/paypal_express.rb
index cdf5492..9509b67 100644
--- a/app/models/spree/billing_integration/paypal_express.rb
+++ b/app/models/spree/billing_integration/paypal_express.rb
@@ -7,6 +7,8 @@ class Spree::BillingIntegration::PaypalExpress < Spree::BillingIntegration
   preference :currency, :string, :default => 'USD'
   preference :allow_guest_checkout, :boolean, :default => false
 
+  attr_accessible :preferred_login, :preferred_password, :preferred_signature, :preferred_review, :preferred_no_shipping, :preferred_currency, :preferred_allow_guest_checkout, :preferred_server, :preferred_test_mode
+
   def provider_class
     ActiveMerchant::Billing::PaypalExpressGateway
   end
diff --git a/app/models/spree/billing_integration/paypal_express_uk.rb b/app/models/spree/billing_integration/paypal_express_uk.rb
index 00ff40e..1edfecd 100644
--- a/app/models/spree/billing_integration/paypal_express_uk.rb
+++ b/app/models/spree/billing_integration/paypal_express_uk.rb
@@ -5,6 +5,8 @@ class Spree::BillingIntegration::PaypalExpressUk < Spree::BillingIntegration
   preference :review, :boolean, :default => false
   preference :no_shipping, :boolean, :default => false
 
+  attr_accessible :preferred_login, :preferred_password, :preferred_signature, :preferred_review, :preferred_no_shipping, :preferred_server, :preferred_test_mode
+
   def provider_class
     ActiveMerchant::Billing::PaypalExpressUkGateway
   end