diff --git a/atcheck-websocket/server.js b/atcheck-websocket/server.js
index 51ccafd..8c212d5 100644
--- a/atcheck-websocket/server.js
+++ b/atcheck-websocket/server.js
@@ -13,8 +13,8 @@ wss.on('connection', function connection(ws) {
 });
 
 var server = https.createServer({
-    cert: fs.readFileSync('/etc/letsencrypt/live/atcheck.projektstudencki.pl/fullchain.pem'),
-    key: fs.readFileSync('/etc/letsencrypt/live/atcheck.projektstudencki.pl/key.pem')
+    cert: fs.readFileSync('/etc/letsencrypt/live/atcheck.projektstudencki.pl/cert.pem'),
+    key: fs.readFileSync('/etc/letsencrypt/live/atcheck.projektstudencki.pl/privkey.pem')
 }, function (request, response) {
     response.writeHead(200, {"Content-Type": "text\plain"});
     request.setEncoding('utf8');