diff --git a/addons/mail/controllers/link_preview.py b/addons/mail/controllers/link_preview.py
index 62a37f54ad9..4ff1555ce66 100644
--- a/addons/mail/controllers/link_preview.py
+++ b/addons/mail/controllers/link_preview.py
@@ -7,7 +7,7 @@ from odoo.http import request
 class LinkPreviewController(http.Controller):
     @http.route("/mail/link_preview", methods=["POST"], type="json", auth="public")
     def mail_link_preview(self, message_id, clear=None):
-        if not request.env["mail.link.preview"].sudo()._is_link_preview_enabled():
+        if not request.env["mail.link.preview"]._is_link_preview_enabled():
             return
         guest = request.env["mail.guest"]._get_guest_from_request(request)
         message = guest.env["mail.message"].search([("id", "=", int(message_id))])
@@ -16,7 +16,7 @@ class LinkPreviewController(http.Controller):
         if not message.is_current_user_or_guest_author and not guest.env.user._is_admin():
             return
         if clear:
-            guest.env["mail.link.preview"].sudo()._clear_link_previews(message)
+            guest.env["mail.link.preview"]._clear_link_previews(message.sudo())
         guest.env["mail.link.preview"].sudo()._create_link_previews(message)
 
     @http.route("/mail/link_preview/delete", methods=["POST"], type="json", auth="public")