diff --git a/app/models/payment_source.rb b/app/models/payment_source.rb
index de73bd9..6397ec4 100644
--- a/app/models/payment_source.rb
+++ b/app/models/payment_source.rb
@@ -1,5 +1,6 @@
 class PaymentSource < ActiveRecord::Base
   belongs_to :user
+  has_many :payments
 
   validates_presence_of :user
   validates_uniqueness_of :name, scope: [:type, :user]