Has_one problem

gistfile1.rb

class Audit < ActiveRecord::Base
	has_many	:audit_items
	belongs_to	:auditor
	belongs_to	:contact
	belongs_to	:site
	
	has_one	:requested_by, :class_name => "Employee", :primary_key => "requested_by", :foreign_key => "id"

end

# This basically links to an Employee object but rather than employee_id it uses requested_by to store the id of
# the employee