diff --git a/models/stock_move.py b/models/stock_move.py
index e4511e2cc3020b9ecf410a76a593cff8d89bcb25..df15140321f587af5b513e458f82d39880948d9b 100644
--- a/models/stock_move.py
+++ b/models/stock_move.py
@@ -8,7 +8,7 @@ class StockMove(models.Model):
     _inherit = 'stock.move'
 
     def _prepare_move_line_vals(self, quantity=None, reserved_quant=None):
-        vals = super()._prepare_move_line_vals(self, quantity=None, reserved_quant=None)
+        vals = super()._prepare_move_line_vals(self, quantity, reserved_quant)
         if reserved_quant:
             vals = dict(
                 vals,