diff --git a/addons/account_followup/account_followup.py b/addons/account_followup/account_followup.py
index f05d6fc2ab5..9cedbebf974 100644
--- a/addons/account_followup/account_followup.py
+++ b/addons/account_followup/account_followup.py
@@ -293,6 +293,13 @@ class res_partner(osv.osv):
                                       model = 'res.partner', res_id = part.id, 
                                       partner_ids = [responsible_partner_id])
         return super(res_partner, self).write(cr, uid, ids, vals, context=context)
+    
+    def copy(self, cr, uid, record_id, default=None, context=None):
+        if default is None:
+            default = {}
+
+        default.update({'unreconciled_aml_ids': []})
+        return super(res_partner, self).copy(cr, uid, record_id, default, context) 
 
     def action_done(self, cr, uid, ids, context=None):
         return self.write(cr, uid, ids, {'payment_next_action_date': False, 'payment_next_action':'', 'payment_responsible_id': False}, context=context)