diff --git a/modules/account_invoice/invoice.py b/modules/account_invoice/invoice.py
index 9eac40e..8971b8e 100755
--- a/modules/account_invoice/invoice.py
+++ b/modules/account_invoice/invoice.py
@@ -517,7 +517,7 @@ class Invoice(Workflow, ModelSQL, ModelView, TaxableMixin, InvoiceReportMixin):
 
     @fields.depends(
         'selection_rate', 'rate_date', 'currency', 'company', 'invoice_date',
-        'lines', 'lines.lot', 'lines.amount')
+        'lines')
     def on_change_with_rate(self, name=None):
         return self.get_selected_rate()