diff --git a/index.js b/index.js
index 32fa3e0..ac3085f 100644
--- a/index.js
+++ b/index.js
@@ -51,7 +51,7 @@ LE.create = function (backend, defaults, handlers) {
       // GET /.well-known/acme-challenge/{{challengeKey}} should return {{tokenValue}}
       throw new Error("handlers.setChallenge or defaults.webrootPath must be set");
     }
-    handlers.removeChallenge = require('./lib/default-handlers').remove-Challenge;
+    handlers.removeChallenge = require('./lib/default-handlers').removeChallenge;
   }
   if (!handlers.agreeToTerms) {
     if (defaults.agreeTos) {