diff --git a/fusion_plating/fusion_plating_bridge_mrp/views/mrp_workorder_views.xml b/fusion_plating/fusion_plating_bridge_mrp/views/mrp_workorder_views.xml
index cb6f3d06..4a2971bd 100644
--- a/fusion_plating/fusion_plating_bridge_mrp/views/mrp_workorder_views.xml
+++ b/fusion_plating/fusion_plating_bridge_mrp/views/mrp_workorder_views.xml
@@ -203,17 +203,23 @@
                             <field name="x_fc_bake_duration_hours"/>
                         </group>
                     </group>
-                    <!-- Rack / de-rack WOs -->
+                    <!-- Rack / de-rack WOs.
+                         Note: required="x_fc_wo_kind == 'rack'" (not "1") —
+                         in Odoo 19 a `required="1"` on a field inside an
+                         invisible group still triggers the missing-required
+                         flag, painting the whole tab red on every WO. -->
                     <group invisible="x_fc_wo_kind != 'rack'">
                         <group string="Rack">
-                            <field name="x_fc_rack_id" required="1"/>
+                            <field name="x_fc_rack_id"
+                                   required="x_fc_wo_kind == 'rack'"/>
                             <field name="x_fc_rack_ref"/>
                         </group>
                     </group>
                     <!-- Mask / De-mask WOs -->
                     <group invisible="x_fc_wo_kind != 'mask'">
                         <group string="Masking">
-                            <field name="x_fc_masking_material" required="1"/>
+                            <field name="x_fc_masking_material"
+                                   required="x_fc_wo_kind == 'mask'"/>
                         </group>
                     </group>
                     <!-- Inspection -->