diff --git a/addons/account/account_view.xml b/addons/account/account_view.xml
index 1f5193d80e3..f6ed05e554a 100644
--- a/addons/account/account_view.xml
+++ b/addons/account/account_view.xml
@@ -2327,7 +2327,7 @@
                                         </field>
                                     </group>
                                     <group string="Closing Cash Control" attrs="{'invisible' : [('state', '=', 'draft')]}">
-                                        <field name="closing_details_ids" colspan="2" nolabel="1">
+                                        <field name="closing_details_ids" colspan="2" nolabel="1" attrs="{'readonly' : [('state', '=', 'confirm')]}">
                                             <tree string="Closing Cashbox Lines" editable="bottom">
                                                 <field name="pieces" readonly="1" />
                                                 <field name="number_closing" on_change="on_change_sub_closing(pieces, number_closing)"/>