diff --git a/index.js b/index.js
index 5f6067e..7daa12c 100644
--- a/index.js
+++ b/index.js
@@ -57,8 +57,9 @@ LE.create = function (le) {
 
   le.acme = le.acme || ACME.create({ debug: le.debug });
   le.store = le.store || require('le-store-certbot').create({ debug: le.debug });
-  le.challenge = le.challenge || require('le-challenge-certbot').create({ debug: le.debug });
+  le.challenge = le.challenge || require('le-challenge-fs').create({ debug: le.debug });
   le.core = require('./lib/core');
+  // le.sni = require('le-sni-auto')
 
   le = LE._undefine(le);
   le.acmeChallengePrefix = LE.acmeChallengePrefix;