diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index d6e9cb406ff..f9a5b0d2588 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -415,6 +415,7 @@ class Users(models.Model):
         internal_users.share = False
         (self - internal_users).share = True
 
+    @api.depends('company_id')
     def _compute_companies_count(self):
         self.companies_count = self.env['res.company'].sudo().search_count([])