diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 59dec19..728673d 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -1,6 +1,7 @@
 var path = require('path');
 var app = require('express')();
 var http = require('http').Server(app);
+var https = require('https');
 var io = require('socket.io')(http);
 
  var async = require("async");