diff --git a/lib/web/auth/twitter/index.js b/lib/web/auth/twitter/index.js
index 5aba20ff..144baccd 100644
--- a/lib/web/auth/twitter/index.js
+++ b/lib/web/auth/twitter/index.js
@@ -7,7 +7,7 @@ const TwitterStrategy = require('passport-twitter').Strategy
 const config = require('../../../config')
 const { setReturnToFromReferer, passportGeneralCallback } = require('../utils')
 
-let twitterAuth = module.exports = Router()
+const twitterAuth = module.exports = Router()
 
 passport.use(new TwitterStrategy({
   consumerKey: config.twitter.consumerKey,