diff --git a/index.js b/index.js
index 6dd8060..6818bb9 100644
--- a/index.js
+++ b/index.js
@@ -92,6 +92,8 @@ app.get("/download", async (req, res) => {
 
     const ffmpegProcess = cp.spawn(ffmpeg, [
       '-i', `pipe:3`,
+      '-c:v', 'copy',
+      '-c:a', 'libmp3lame',
       '-preset', preset,
       '-f', format,
       '-loglevel', 'error',