diff --git a/app/models/qbo_customer.rb b/app/models/qbo_customer.rb
index 36fb471..5a3cc92 100644
--- a/app/models/qbo_customer.rb
+++ b/app/models/qbo_customer.rb
@@ -18,7 +18,7 @@ class QboCustomer < ActiveRecord::Base
   
   after_initialize :get_details
   
-  self.primary_key = "id"
+  self.primary_key = :id
   
   def active?
     @details.active?