diff --git a/index.js b/index.js
index 18681ae..5fe3a30 100644
--- a/index.js
+++ b/index.js
@@ -101,7 +101,11 @@ app.get("/getLink", async (req, res) => {
       res.write(`<p>Starting download...</p>`)
     }
     var lastp = 0
-    var ytvid = ytdl(url, { 'quality': quality, 'format': 'mp4' })
+    if ("mp3 ogg wav".includes(format)) {
+      var ytvid = ytdl(url, { 'quality': quality, 'format': 'mp4', filter: "audioonly" })
+    } else {
+      var ytvid = ytdl(url, { 'quality': quality, 'format': 'mp4', filter: "videoandaudio" })
+    }
 
     if (redir != "redirect") {
       ytvid.on("progress", (data, ctotal, etotal) => {