diff --git a/addons/website_portal_purchase/controllers/website_portal.py b/addons/website_portal_purchase/controllers/website_portal.py
index 4d8762e4346..b03a717477c 100644
--- a/addons/website_portal_purchase/controllers/website_portal.py
+++ b/addons/website_portal_purchase/controllers/website_portal.py
@@ -14,7 +14,7 @@ from odoo.addons.website_portal.controllers.main import website_account, get_rec
 class WebsitePortal(website_account):
 
     def _prepare_portal_layout_values(self):
-        values = super(WebsitePortal, self)._prepare_portal_layout_values()
+        values = super(WebsitePortal, self).sudo()._prepare_portal_layout_values()
         partner = request.env.user.partner_id
         values['purchase_count'] = request.env['purchase.order'].search_count([
             '|',