diff --git a/contract/models/contract.py b/contract/models/contract.py
index 25fe90af..d3dea8fa 100644
--- a/contract/models/contract.py
+++ b/contract/models/contract.py
@@ -353,6 +353,10 @@ def _finalize_and_create_invoices(self, invoices_values):
                 self._finalize_invoice_values(invoice_values)
             )
         invoices = self.env['account.move'].create(final_invoices_values)
+
+        for obj in invoices:
+            obj._onchange_partner_id()
+            
         return invoices
 
     @api.model