diff --git a/addons/sale_stock/models/sale_order.py b/addons/sale_stock/models/sale_order.py
index db97bab288d..3ead29edd4e 100644
--- a/addons/sale_stock/models/sale_order.py
+++ b/addons/sale_stock/models/sale_order.py
@@ -340,11 +340,13 @@ class SaleOrderLine(models.Model):
                 line.free_qty_today = free_qty_today - qty_processed_per_product[line.product_id.id]
                 line.virtual_available_at_date = virtual_available_at_date - qty_processed_per_product[line.product_id.id]
                 line.forecast_expected_date = False
+                product_qty = line.product_uom_qty
                 if line.product_uom and line.product_id.uom_id and line.product_uom != line.product_id.uom_id:
                     line.qty_available_today = line.product_id.uom_id._compute_quantity(line.qty_available_today, line.product_uom)
                     line.free_qty_today = line.product_id.uom_id._compute_quantity(line.free_qty_today, line.product_uom)
                     line.virtual_available_at_date = line.product_id.uom_id._compute_quantity(line.virtual_available_at_date, line.product_uom)
-                qty_processed_per_product[line.product_id.id] += line.product_uom_qty
+                    product_qty = line.product_uom._compute_quantity(product_qty, line.product_id.uom_id)
+                qty_processed_per_product[line.product_id.id] += product_qty
             treated |= lines
         remaining = (self - treated)
         remaining.virtual_available_at_date = False