diff --git a/addons/mrp/views/mrp_production_views.xml b/addons/mrp/views/mrp_production_views.xml
index 1c22111dac3..07cd34eeef5 100644
--- a/addons/mrp/views/mrp_production_views.xml
+++ b/addons/mrp/views/mrp_production_views.xml
@@ -313,7 +313,9 @@
                                     <field name="show_details_visible" invisible="1"/>
                                     <field name="lot_ids" widget="many2many_tags"
                                         groups="stock.group_production_lot" optional="hide"
-                                        attrs="{'invisible': ['|', '|', ('show_details_visible', '=', False), ('has_tracking', '!=', 'serial'), ('parent.state', '=', 'draft')], 'column_invisible': [('parent.show_lot_ids', '=',  False)]}"
+                                        attrs="{'invisible': ['|', '|', ('show_details_visible', '=', False), ('has_tracking', '!=', 'serial'), ('parent.state', '=', 'draft')],
+                                                'readonly': ['|', '|', ('show_details_visible', '=', False), ('has_tracking', '!=', 'serial'), ('parent.state', '=', 'draft')],
+                                                'column_invisible': [('parent.show_lot_ids', '=',  False)]}"
                                         options="{'create': [('parent.use_create_components_lots', '!=', False)]}"
                                         context="{'default_company_id': company_id, 'default_product_id': product_id}"
                                         domain="[('product_id','=',product_id)]"