diff --git a/api/src/processing/services/youtube.js b/api/src/processing/services/youtube.js
index d4473b13..94eab2b0 100644
--- a/api/src/processing/services/youtube.js
+++ b/api/src/processing/services/youtube.js
@@ -38,7 +38,7 @@ const hlsCodecList = {
     vp9: {
         videoCodec: "vp09",
         audioCodec: "mp4a",
-        container: "mp4"
+        container: "webm"
     }
 }