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-rw-r--r--youtube_dl/postprocessor/ffmpeg.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index fa99b0c2a..c1e9eb159 100644
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -363,8 +363,10 @@ class FFmpegEmbedSubtitlePP(FFmpegPostProcessor):
         input_files = [filename] + sub_filenames
 
         opts = [
-            '-map', '0',
-            '-c', 'copy',
+            '-map', '0:v',
+            '-c:v', 'copy',
+            '-map', '0:a',
+            '-c:a', 'copy',
             # Don't copy the existing subtitles, we may be running the
             # postprocessor a second time
             '-map', '-0:s',