diff --git a/tubesync/sync/youtube.py b/tubesync/sync/youtube.py
index 14c7f06b..46840338 100644
--- a/tubesync/sync/youtube.py
+++ b/tubesync/sync/youtube.py
@@ -336,7 +336,7 @@ def download_media(
         )
         # assignment is the quickest way to cover both 'get' cases
         pp_opts.exec_cmd['after_move'] = cmds
-    else:
+    elif '+' not in media_format:
         pp_opts.remuxvideo = extension
 
     ytopts = {