diff --git a/addons/mrp/mrp.py b/addons/mrp/mrp.py
index f53b43bee1c..ff38563c0be 100644
--- a/addons/mrp/mrp.py
+++ b/addons/mrp/mrp.py
@@ -772,6 +772,7 @@ class mrp_production(osv.osv):
         proc_obj = self.pool.get("procurement.order")
         procs = proc_obj.search(cr, uid, [('production_id', 'in', ids)], context=context)
         if procs:
+            proc_obj.message_post(cr, uid, procs, body=_('Manufacturing order cancelled.'), context=context)
             proc_obj.write(cr, uid, procs, {'state': 'exception'}, context=context)
         return True