diff --git a/app/models/qbo_invoice.rb b/app/models/qbo_invoice.rb
index ffdfc6f..9ca719b 100644
--- a/app/models/qbo_invoice.rb
+++ b/app/models/qbo_invoice.rb
@@ -13,9 +13,8 @@ class QboInvoice < ActiveRecord::Base
   
   has_and_belongs_to_many :issues
   attr_accessible :doc_number
-  validates_presence_of :id, :doc_number
-  
-  #self.primary_key = :id
+  validates_presence_of :doc_number
+  self.primary_key = :id
   
   def self.get_base
     Qbo.get_base(:invoice)