diff --git a/addons/sale_mrp/models/sale_mrp.py b/addons/sale_mrp/models/sale_mrp.py
index 68600642c9b..267cea6ab89 100644
--- a/addons/sale_mrp/models/sale_mrp.py
+++ b/addons/sale_mrp/models/sale_mrp.py
@@ -24,6 +24,16 @@ class SaleOrderLine(models.Model):
                 return 0.0
         return super(SaleOrderLine, self)._get_delivered_qty()
 
+    @api.multi
+    def _compute_qty_delivered_updateable(self):
+        lines = self.env['sale.order.line']
+        for line in self:
+            bom = self.env['mrp.bom']._bom_find(product=line.product_id, company_id=line.company_id.id)
+            if bom and bom.type == 'phantom' and line.order_id.state == 'sale':
+                line.qty_delivered_updateable = True
+                lines |= line
+        super(SaleOrderLine, self - lines)._compute_qty_delivered_updateable()
+
     @api.multi
     def _get_bom_component_qty(self, bom):
         bom_quantity = self.product_uom._compute_quantity(1, bom.product_uom_id)