diff --git a/SettingsHelper.js b/SettingsHelper.js
index 1679f757..6f6dc8ec 100644
--- a/SettingsHelper.js
+++ b/SettingsHelper.js
@@ -40,6 +40,13 @@ module.exports = function () {
       env: 'AUTOJOIN_PASSWORD',
       default: ''
     },
+    {
+      local: 'authentication',
+      env: 'AUTHENTICATION',
+      default: {
+        mechanism: 'none'
+      }
+    },
     {
       local: 'custom_server',
       env: 'CUSTOM_SERVER',