X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fpostprocessor%2Fembedthumbnail.py;h=e606a58de886533fb5239b9bb958fbff9606a4ee;hb=8e2915d70bf46ee84e2f88e0fa8152a528228f26;hp=2e4789eb220b1069f51c5e68a9b3ff76b7514c6d;hpb=19e447150d7f662e4c1552d9d3aae7677a182a93;p=youtube-dl

diff --git a/youtube_dl/postprocessor/embedthumbnail.py b/youtube_dl/postprocessor/embedthumbnail.py
index 2e4789eb2..e606a58de 100644
--- a/youtube_dl/postprocessor/embedthumbnail.py
+++ b/youtube_dl/postprocessor/embedthumbnail.py
@@ -40,7 +40,7 @@ class EmbedThumbnailPP(FFmpegPostProcessor):
                 'Skipping embedding the thumbnail because the file is missing.')
             return [], info
 
-        if info['ext'] in ('mp3', 'mkv'):
+        if info['ext'] == 'mp3':
             options = [
                 '-c', 'copy', '-map', '0', '-map', '1',
                 '-metadata:s:v', 'title="Album cover"', '-metadata:s:v', 'comment="Cover (Front)"']