diff --git a/addons/stock/models/stock_move.py b/addons/stock/models/stock_move.py
index 0fb1ddbabbf..24e2c098eeb 100644
--- a/addons/stock/models/stock_move.py
+++ b/addons/stock/models/stock_move.py
@@ -1350,13 +1350,13 @@ class StockMove(models.Model):
 
         # Find a candidate move line to update or create a new one.
         for reserved_quant, quantity in quants:
-            to_update = self.move_line_ids.filtered(lambda ml: ml._reservation_is_updatable(quantity, reserved_quant))
+            to_update = next((line for line in self.move_line_ids if line._reservation_is_updatable(quantity, reserved_quant)), False)
             if to_update:
-                uom_quantity = self.product_id.uom_id._compute_quantity(quantity, to_update[0].product_uom_id, rounding_method='HALF-UP')
+                uom_quantity = self.product_id.uom_id._compute_quantity(quantity, to_update.product_uom_id, rounding_method='HALF-UP')
                 uom_quantity = float_round(uom_quantity, precision_digits=rounding)
-                uom_quantity_back_to_product_uom = to_update[0].product_uom_id._compute_quantity(uom_quantity, self.product_id.uom_id, rounding_method='HALF-UP')
+                uom_quantity_back_to_product_uom = to_update.product_uom_id._compute_quantity(uom_quantity, self.product_id.uom_id, rounding_method='HALF-UP')
             if to_update and float_compare(quantity, uom_quantity_back_to_product_uom, precision_digits=rounding) == 0:
-                to_update[0].with_context(bypass_reservation_update=True).product_uom_qty += uom_quantity
+                to_update.with_context(bypass_reservation_update=True).product_uom_qty += uom_quantity
             else:
                 if self.product_id.tracking == 'serial':
                     self.env['stock.move.line'].create([self._prepare_move_line_vals(quantity=1, reserved_quant=reserved_quant) for i in range(int(quantity))])