diff --git a/addons/account/models/account_payment.py b/addons/account/models/account_payment.py
index ebd507f1aae..0dd087aee42 100644
--- a/addons/account/models/account_payment.py
+++ b/addons/account/models/account_payment.py
@@ -603,7 +603,10 @@ class account_payment(models.Model):
                     move.line_ids.remove_move_reconcile()
                 move.button_cancel()
                 move.unlink()
-            rec.state = 'cancelled'
+            rec.write({
+                'state': 'cancelled',
+                'move_name': False,
+            })
 
     @api.multi
     def unlink(self):
diff --git a/addons/point_of_sale/wizard/pos_details.xml b/addons/point_of_sale/wizard/pos_details.xml
index 596ba509825..6a10896b6fd 100644
--- a/addons/point_of_sale/wizard/pos_details.xml
+++ b/addons/point_of_sale/wizard/pos_details.xml
@@ -10,7 +10,7 @@
                         <field name="end_date"/>
                     </group>
                     <group>
-                        <field name="pos_config_ids" colspan="4" nolabel="1" />
+                        <field name="pos_config_ids" mode="tree" colspan="4" nolabel="1" />
                     </group>
                     <footer>
                         <button name="generate_report" string="Print" type="object" class="btn-primary"/>