diff --git a/addons/sale_stock/models/sale_order.py b/addons/sale_stock/models/sale_order.py
index 06f1ef715ba..64d4398cba1 100644
--- a/addons/sale_stock/models/sale_order.py
+++ b/addons/sale_stock/models/sale_order.py
@@ -109,13 +109,9 @@ class SaleOrderLine(models.Model):
     @api.multi
     @api.depends('product_id')
     def _compute_qty_delivered_updateable(self):
-        # prefetch field before filtering
-        self.mapped('product_id')
-        # on consumable or stockable products, qty_delivered_updateable defaults
-        # to False; on other lines use the original computation
-        lines = self.filtered(lambda line: line.product_id.type not in ('consu', 'product'))
-        lines = lines.with_prefetch(self._prefetch)
-        super(SaleOrderLine, lines)._compute_qty_delivered_updateable()
+        for line in self:
+            if line.product_id.type not in ('consu', 'product'):
+                super(SaleOrderLine, line)._compute_qty_delivered_updateable()
 
     @api.onchange('product_id')
     def _onchange_product_id_set_customer_lead(self):