diff --git a/app/models/enterprise.rb b/app/models/enterprise.rb
index 82f23eb4dd..a0b8e91c40 100644
--- a/app/models/enterprise.rb
+++ b/app/models/enterprise.rb
@@ -34,6 +34,7 @@ class Enterprise < ActiveRecord::Base
   has_many :distributor_shipping_methods, foreign_key: :distributor_id
   has_many :shipping_methods, through: :distributor_shipping_methods
   has_many :customers
+  has_many :billable_periods
 
   delegate :latitude, :longitude, :city, :state_name, :to => :address