diff --git a/modules/purchase_trade/fee.py b/modules/purchase_trade/fee.py
index 4c44b85..88b31ef 100755
--- a/modules/purchase_trade/fee.py
+++ b/modules/purchase_trade/fee.py
@@ -118,7 +118,7 @@ class Fee(ModelSQL,ModelView):
         if packing:
             return packing[0]
 
-    @fields.depends('line','sale_line','shipment_in','lots','price','unit','auto_calculation','mode','_parent_line.unit','_parent_line.lots','_parent_sale_line.unit','_parent_sale_line.lots')
+    @fields.depends('line','sale_line','shipment_in','lots','price','unit','auto_calculation','mode','_parent_line.unit','_parent_line.lots','_parent_sale_line.unit','_parent_sale_line.lots','_parent_shipment_in.id')
     def on_change_with_quantity(self, name=None):
         qt = None
         unit = None