diff --git a/instance/index.ejs b/instance/index.ejs
index e874260257035d6f605f535d6f3690ee3badd2ad..7db1eec9372f5f19042191653a76cb15f9cf5d8f 100644
--- a/instance/index.ejs
+++ b/instance/index.ejs
@@ -12,7 +12,7 @@
         <link rel="stylesheet" href="../style/bootstrap-4.5.2-dist/css/bootstrap.min.css" />
         <link rel="stylesheet" href="../style/css/instance.css" />
         <link rel="stylesheet" href="../style/fontawesome-free-5.15.1-web/css/all.min.css" />
-        <script src="./main.js"></script>
+        <script src="./index.js"></script>
         <script></script>
     </head>
     <body>
diff --git a/instance/main.js b/instance/index.js
similarity index 99%
rename from instance/main.js
rename to instance/index.js
index 8e187b07df94f37aa194db7fdaa945500362ef23..87c0b85ee278c7630266adf68310c3f0271de860 100644
--- a/instance/main.js
+++ b/instance/index.js
@@ -233,11 +233,11 @@ function addQueueKaraEventHandlers(element) {
             position: element.getElementsByClassName('karaPosition')[0].innerText,
         })
     );
-    element.getElementsByClassName('karaPlayBtn')[0].addEventListener('click', () =>
+    element.getElementsByClassName('karaPlayBtn')[0].addEventListener('click', () => {
         ipcRenderer.send('play-kara-queue-pos', {
             position: element.getElementsByClassName('karaPosition')[0].innerText,
-        })
-    );
+        });
+    });
 }
 
 function onDragStartDB(event) {
diff --git a/main.js b/main.js
index 741d245306cfebb38bacf7c3af1fc7c0a510aab5..c5651b2671ebdf512ea73ff74851a37f6e572297 100644
--- a/main.js
+++ b/main.js
@@ -285,8 +285,7 @@ ipcMain.on('verify-lektord', (event, arg) => {
 
         loopIntervals.concat([
             setInterval(() => {
-                if (destroyed) return;
-                if (lkt.isQueueUpdated()) {
+                if (!destroyed && lkt.isQueueUpdated()) {
                     lkt.setQueueUpdated(false);
                     db.queueAll().then(karas => win.webContents.send('reload-queue-responce', karas));
                 }
@@ -339,8 +338,7 @@ ipcMain.on('verify-lektord', (event, arg) => {
             }, 1000),
             /* Has the status of lektord changed? */
             setInterval(() => {
-                if (destroyed) return;
-                if (lkt.isStatusUpdated()) {
+                if (!destroyed && lkt.isStatusUpdated()) {
                     win.webContents.send('send-state', lkt.getStatus().state);
                 }
             }, 50),