diff --git a/addons/survey/controllers/main.py b/addons/survey/controllers/main.py
index e0af41aff08..e46d719fc45 100644
--- a/addons/survey/controllers/main.py
+++ b/addons/survey/controllers/main.py
@@ -8,7 +8,7 @@ import werkzeug
 from datetime import datetime, timedelta
 from dateutil.relativedelta import relativedelta
 
-from odoo import fields, http, _
+from odoo import fields, http, SUPERUSER_ID, _
 from odoo.addons.base.models.ir_ui_view import keep_query
 from odoo.exceptions import UserError
 from odoo.http import request, content_disposition
@@ -668,7 +668,7 @@ class Survey(http.Controller):
         return request.render('survey.survey_page_statistics', template_values)
 
     def _generate_report(self, user_input, download=True):
-        report = request.env.ref('survey.certification_report').sudo()._render_qweb_pdf([user_input.id], data={'report_type': 'pdf'})[0]
+        report = request.env.ref('survey.certification_report').with_user(SUPERUSER_ID)._render_qweb_pdf([user_input.id], data={'report_type': 'pdf'})[0]
 
         report_content_disposition = content_disposition('Certification.pdf')
         if not download: