diff --git a/addons/mrp/models/mrp_bom.py b/addons/mrp/models/mrp_bom.py
index 8219035a3aa..c1cf4a75a77 100644
--- a/addons/mrp/models/mrp_bom.py
+++ b/addons/mrp/models/mrp_bom.py
@@ -409,9 +409,9 @@ class MrpBomLine(models.Model):
             'You should install the mrp_byproduct module if you want to manage extra products on BoMs !'),
     ]
 
-    @api.depends('product_id', 'tracking')
+    @api.depends('product_id', 'tracking', 'operation_id')
     def _compute_manual_consumption(self):
-        self.filtered(lambda m: m.tracking != 'none').manual_consumption = True
+        self.filtered(lambda m: m.tracking != 'none' or m.operation_id).manual_consumption = True
 
     @api.depends('product_id', 'bom_id')
     def _compute_child_bom_id(self):
diff --git a/addons/mrp/views/mrp_bom_views.xml b/addons/mrp/views/mrp_bom_views.xml
index b0e8809bc72..b3972881b45 100644
--- a/addons/mrp/views/mrp_bom_views.xml
+++ b/addons/mrp/views/mrp_bom_views.xml
@@ -99,7 +99,7 @@
                                     <field name="allowed_operation_ids" invisible="1"/>
                                     <field name="operation_id" groups="mrp.group_mrp_routings" optional="hidden" attrs="{'column_invisible': [('parent.type','not in', ('normal', 'phantom'))]}" options="{'no_quick_create':True,'no_create_edit':True}"/>
                                     <field name="tracking" invisible="1"/>
-                                    <field name="manual_consumption" optional="hide" width="1.0" attrs="{'readonly': [('tracking', '!=', 'none')]}"/>
+                                    <field name="manual_consumption" groups="mrp.group_mrp_routings" optional="hide" width="1.0" attrs="{'readonly': ['|', ('tracking', '!=', 'none'), ('operation_id', '!=', False)]}"/>
                                 </tree>
                             </field>
                         </page>