diff --git a/partner_coc/models/res_partner.py b/partner_coc/models/res_partner.py
index ad283c56f..8480fafcb 100644
--- a/partner_coc/models/res_partner.py
+++ b/partner_coc/models/res_partner.py
@@ -13,6 +13,6 @@ class ResPartner(models.Model):
             'coc_registration_number', 'coc',
         ),
         search=lambda s, *a: s._search_identification(
-            'coc_registration_number', 'coc', *a
+            'coc', *a
         ),
     )