diff --git a/downloader.js b/downloader.js
index 977457c..b503753 100644
--- a/downloader.js
+++ b/downloader.js
@@ -43,7 +43,7 @@ expressManager.app.get("/download", async (req, res) => {
         while (videoFormat == undefined) {
             for (let i = 0; i < info.formats.length; i++) {
                 const format = info.formats[i];
-                if (format.hasVideo && !format.hasAudio && format.height && format.height.toString() == qualityLabel.toString()) {
+                if (format.hasVideo && !format.hasAudio && format.height && format.height.toString() == qualityLabel.toString() && (format.videoCodec.includes("vp9") || format.codecs.includes("vp9"))) {
                     videoFormat = format
                     continue
                 }