diff --git a/app/models/spree/gateway_decorator.rb b/app/models/spree/gateway_decorator.rb
index bc4312961e..75e17ffcaf 100644
--- a/app/models/spree/gateway_decorator.rb
+++ b/app/models/spree/gateway_decorator.rb
@@ -2,4 +2,7 @@ Spree::Gateway.class_eval do
   # Default to live
   preference :server, :string, :default => 'live'
   preference :test_mode, :boolean, :default => false
+
+  attr_accessible :distributor_ids
+  has_and_belongs_to_many :distributors, join_table: 'distributors_payment_methods', :class_name => 'Enterprise', foreign_key: 'payment_method_id', association_foreign_key: 'distributor_id'
 end