diff --git a/addons/sale/sale.py b/addons/sale/sale.py
index 840b4f6ce60..967e5030d6c 100644
--- a/addons/sale/sale.py
+++ b/addons/sale/sale.py
@@ -39,7 +39,7 @@ class sale_order(osv.osv):
     _description = "Sales Order"
     _track = {
         'state': {
-            'sale.mt_order_confirmed': lambda self, cr, uid, obj, ctx=None: obj.state in ['manual'],
+            'sale.mt_order_confirmed': lambda self, cr, uid, obj, ctx=None: obj.state in ['manual', 'progress'],
             'sale.mt_order_sent': lambda self, cr, uid, obj, ctx=None: obj.state in ['sent']
         },
     }