diff --git a/addons/base_vat_autocomplete/models/res_partner.py b/addons/base_vat_autocomplete/models/res_partner.py
index c6cac1ebb15..630d0ce23db 100644
--- a/addons/base_vat_autocomplete/models/res_partner.py
+++ b/addons/base_vat_autocomplete/models/res_partner.py
@@ -72,7 +72,7 @@ class ResPartner(models.Model):
         if len(lines) == 1:
             lines = [x.strip() for x in lines[0].split('   ') if x]
 
-        vals = partner._split_street_with_params(', '.join(lines.pop(0).rsplit(' ', 1)), '%(street_name)s, %(street_number)s/%(street_number2)s')
+        vals = self._split_street_with_params(', '.join(lines.pop(0).rsplit(' ', 1)), '%(street_name)s, %(street_number)s/%(street_number2)s')
         partner_address.update(vals)
 
         if len(lines) > 0: