diff --git a/addons/sale_stock/models/sale_order.py b/addons/sale_stock/models/sale_order.py
index fe2de7e5abe..4ffb87ca9e3 100644
--- a/addons/sale_stock/models/sale_order.py
+++ b/addons/sale_stock/models/sale_order.py
@@ -277,7 +277,7 @@ class SaleOrderLine(models.Model):
             else:
                 line.display_qty_widget = False
 
-    @api.depends('product_id', 'customer_lead', 'product_uom_qty', 'order_id.warehouse_id', 'order_id.commitment_date')
+    @api.depends('product_id', 'customer_lead', 'product_uom_qty', 'product_uom', 'order_id.warehouse_id', 'order_id.commitment_date')
     def _compute_qty_at_date(self):
         """ Compute the quantity forecasted of product at delivery date. There are
         two cases: