diff --git a/app/models/qbo_invoice.rb b/app/models/qbo_invoice.rb
index 6ade50b..dee19e5 100644
--- a/app/models/qbo_invoice.rb
+++ b/app/models/qbo_invoice.rb
@@ -11,7 +11,7 @@
 class QboInvoice < ActiveRecord::Base
   unloadable
   
-  belongs_to_many :issues
+  has_and_belongs_to_many :issues
   attr_accessible :doc_number, :id
   validates_presence_of :doc_number, :id
   self.primary_key = :id