diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 631d7542e0c..a88cdc1ef4e 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -694,7 +694,7 @@ class StockMove(models.Model):
         for reserved_quant, quantity in quants:
             to_update = self.move_line_ids.filtered(lambda m: m.location_id.id == reserved_quant.location_id.id and m.lot_id.id == reserved_quant.lot_id.id and m.package_id.id == reserved_quant.package_id.id and m.owner_id.id == reserved_quant.owner_id.id)
             if to_update:
-                to_update[0].with_context(bypass_reservation_update=True).product_uom_qty += self.product_id.uom_id._compute_quantity(taken_quantity, self.product_uom, rounding_method='HALF-UP')
+                to_update[0].with_context(bypass_reservation_update=True).product_uom_qty += self.product_id.uom_id._compute_quantity(quantity, self.product_uom, rounding_method='HALF-UP')
             else:
                 if self.product_id.tracking == 'serial':
                     for i in range(0, int(quantity)):