diff --git a/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js b/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js
index 3149fa9b6..7d9cc6d6b 100644
--- a/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js
+++ b/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js
@@ -1,13 +1,13 @@
 /* Copyright 2020 Tecnativa - João Marques
  * License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). */
-odoo.define("mass_mailing_custom_unsubscribe_event.tour", function(require) {
+odoo.define("mass_mailing_custom_unsubscribe_event.tour", function (require) {
     "use strict";
     var base = require("web_editor.base");
     var tour = require("web_tour.tour");
 
     // Allow to know if an element is required
     $.extend($.expr[":"], {
-        propRequired: function(element) {
+        propRequired: function (element) {
             return $(element).prop("required");
         },
     });
diff --git a/setup/mass_mailing_custom_unsubscribe_event/odoo/addons/mass_mailing_custom_unsubscribe_event b/setup/mass_mailing_custom_unsubscribe_event/odoo/addons/mass_mailing_custom_unsubscribe_event
new file mode 120000
index 000000000..24aa35046
--- /dev/null
+++ b/setup/mass_mailing_custom_unsubscribe_event/odoo/addons/mass_mailing_custom_unsubscribe_event
@@ -0,0 +1 @@
+../../../../mass_mailing_custom_unsubscribe_event
\ No newline at end of file
diff --git a/setup/mass_mailing_custom_unsubscribe_event/setup.py b/setup/mass_mailing_custom_unsubscribe_event/setup.py
new file mode 100644
index 000000000..28c57bb64
--- /dev/null
+++ b/setup/mass_mailing_custom_unsubscribe_event/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)