diff --git a/addons/purchase/controllers/portal.py b/addons/purchase/controllers/portal.py
index 171373bbec5..73e2b2bbb3a 100644
--- a/addons/purchase/controllers/portal.py
+++ b/addons/purchase/controllers/portal.py
@@ -18,7 +18,7 @@ class CustomerPortal(CustomerPortal):
 
     def _prepare_portal_layout_values(self):
         values = super(CustomerPortal, self)._prepare_portal_layout_values()
-        values['purchase_count'] = request.env['purchase.order'].search_count([
+        values['purchase_count'] = request.env['purchase.order'].sudo().search_count([
             ('state', 'in', ['purchase', 'done', 'cancel'])
         ])
         return values