diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 2f88439f076..570583dcb48 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -594,7 +594,7 @@
             <field name="arch" type="xml">
                 <div name="options" position="inside">
                     <div>
-                        <field name="purchase_ok" attrs="{'readonly': [('is_product_variant', '=', False)]}"/>
+                        <field name="purchase_ok"/>
                         <label for="purchase_ok"/>
                     </div>
                 </div>