diff --git a/app.js b/app.js
index 7421cee..9ed6227 100644
--- a/app.js
+++ b/app.js
@@ -69,7 +69,7 @@ const options = {
 // const httpsServer = https.createServer(options, app);
 // const io = new Server(httpsServer, { allowEIO3: true });
 const httpsServer = https.createServer(app);
-const io = require('socket.io')(server, options);
+const io = require('socket.io')(httpsServer, options);
 // const io = new Server(server, { origins: '*:*', allowEIO3: true });
 
 // io.use(middleware);