diff --git a/addons/website_customer/models/res_partner.py b/addons/website_customer/models/res_partner.py
index 5ad57bc96c9..24592b3965b 100644
--- a/addons/website_customer/models/res_partner.py
+++ b/addons/website_customer/models/res_partner.py
@@ -27,7 +27,7 @@ class Tags(models.Model):
 
     name = fields.Char('Category Name', required=True, translate=True)
     partner_ids = fields.Many2many('res.partner', 'res_partner_res_partner_tag_rel', 'tag_id', 'partner_id', string='Partners')
-    classname = fields.Selection(get_selection_class, 'Class', default='default', help="Bootstrap class to customize the color", required=True)
+    classname = fields.Selection('get_selection_class', 'Class', default='default', help="Bootstrap class to customize the color", required=True)
     active = fields.Boolean('Active', default=True)
 
     def _default_is_published(self):