diff --git a/index.js b/index.js
index edcbeaa..d41f827 100644
--- a/index.js
+++ b/index.js
@@ -58,14 +58,28 @@ app.get("/download", async (req, res) => {
 
   res.write(downloadHTML.substring(0, downloadHTML.indexOf("{CONTENT}")))
 
-  var fileName = Math.round(Math.random() * 100_000_000_000_000).toString() + '.' + 'webm'
-  var filePath = path.join(__dirname, 'downloads', fileName)
 
-  var ytdlpProcess = cp.spawn('yt-dlp', [
-    url,
-    '-o', filePath,
-    '--max-filesize', MAX_FILESIZE + 'm'
-  ])
+  if (!format in ["mp3"]) {
+    var fileName = Math.round(Math.random() * 100_000_000_000_000).toString() + '.webm'
+    var filePath = path.join(__dirname, 'downloads', fileName)
+    var ytdlpProcess = cp.spawn('yt-dlp', [
+      url,
+      '-o', filePath,
+      '--max-filesize', MAX_FILESIZE + 'm'
+    ])
+  } else {
+    var fileName = Math.round(Math.random() * 100_000_000_000_000).toString()
+    var filePath = path.join(__dirname, 'downloads', fileName)
+    var ytdlpProcess = cp.spawn('yt-dlp', [
+      url,
+      '-x',
+      '-o', filePath,
+      '--max-filesize', MAX_FILESIZE + 'm',
+
+    ])
+    fileName += '.opus'
+    filePath = path.join(__dirname, 'downloads', fileName)
+  }
 
   var lastDownload = 0