diff --git a/vinetrimmer/utils/io.py b/vinetrimmer/utils/io.py
index 50f538c..6bc7721 100644
--- a/vinetrimmer/utils/io.py
+++ b/vinetrimmer/utils/io.py
@@ -279,7 +279,8 @@ async def m3u8dl(uri, out, track, headers=None, proxy=None):
 			])
 		else:
 			arguments.extend([
-				"-sv", "best"
+				"-sv", "best",
+				"-M", "format=mp4"
 			])
 
 		arguments.extend([