diff --git a/inventory.xml b/inventory.xml
index cc9619b2fe..65600a6f7c 100644
--- a/inventory.xml
+++ b/inventory.xml
@@ -35,11 +35,11 @@
                             <group colspan="2" col="3">
                                 <button string="Cancel"
                                     name="cancel"
-                                    states="{'invisible': '''state in ('cancel', 'done') '''}"
-                                    icon="tryton-cancel"/>
+                                    states="{'invisible': '''state in ('cancel', 'done') ''', 'readonly': '''%(group_stock)d not in groups'''}"
+                                    icon="tryton-cancel" />
                                 <button string="Confirm"
                                     name="done"
-                                    states="{'invisible': '''state in ('done','cancel') '''}"
+                                    states="{'invisible': '''state in ('done','cancel') ''', 'readonly': '''%(group_stock)d not in groups'''}"
                                     icon="tryton-ok"/>
                             </group>
                         </group>