diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 4ddc2bc9eb8..a6a5f3e75de 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -163,6 +163,7 @@ class purchase_order(osv.osv):
         'state': {
             'purchase.mt_rfq_confirmed': lambda self, cr, uid, obj, ctx=None: obj['state'] == 'confirmed',
             'purchase.mt_rfq_approved': lambda self, cr, uid, obj, ctx=None: obj['state'] == 'approved',
+            'purchase.mt_rfq_invoice_paid': lambda self, cr, uid, obj, ctx=None: obj['state'] == 'done',
         },
     }
     _columns = {
@@ -557,7 +558,7 @@ class purchase_order(osv.osv):
 
     def invoice_done(self, cr, uid, ids, context=None):
         self.write(cr, uid, ids, {'state':'approved'}, context=context)
-        self.message_post(cr, uid, ids, body=_("Invoice <b>Paid.</b>"), context=context)
+     #   self.message_post(cr, uid, ids, body=_("Invoice <b>Paid.</b>"), context=context)
         return True
 
     def has_stockable_product(self, cr, uid, ids, *args):
diff --git a/addons/purchase/purchase_data.xml b/addons/purchase/purchase_data.xml
index ceb43ba281a..a08e221053e 100644
--- a/addons/purchase/purchase_data.xml
+++ b/addons/purchase/purchase_data.xml
@@ -60,6 +60,10 @@
             <field name="default" eval="False"/>
             <field name="res_model">purchase.order</field>
         </record>
-
+        <record id="mt_rfq_invoice_paid" model="mail.message.subtype">
+            <field name="name">Invoice Paid</field>
+            <field name="default" eval="False"/>
+            <field name="res_model">purchase.order</field>
+        </record>
     </data>
 </openerp>