diff --git a/account_credit_control/wizard/credit_control_policy_changer.py b/account_credit_control/wizard/credit_control_policy_changer.py
index 89a331b68..de331c001 100644
--- a/account_credit_control/wizard/credit_control_policy_changer.py
+++ b/account_credit_control/wizard/credit_control_policy_changer.py
@@ -60,7 +60,7 @@ class credit_control_policy_changer(orm.TransientModel):
             return False
             # raise ValueError('No active_ids passed in context')
         for invoice in inv_model.browse(cr, uid, active_ids, context=context):
-            if invoice.type in ('in_invoice', 'in_refund'):
+            if invoice.type in ('in_invoice', 'in_refund', 'out_refund'):
                 raise orm.except_orm(_('User error'),
                                      _('Please use wizard on cutomer invoices'))