From 3547d26587214f0e8ade1295dab0438d88a567de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?=
 <jaime.marquinez.ferrandiz@gmail.com>
Date: Sat, 6 Feb 2016 18:58:18 +0100
Subject: [PATCH] [FFmpegSubtitlesConvertorPP] correctly update the extension
 (fixes #8444)

---
 youtube_dl/postprocessor/ffmpeg.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/youtube_dl/postprocessor/ffmpeg.py b/youtube_dl/postprocessor/ffmpeg.py
index 6daa6a8b46..05f2f06234 100644
--- a/youtube_dl/postprocessor/ffmpeg.py
+++ b/youtube_dl/postprocessor/ffmpeg.py
@@ -523,7 +523,7 @@ class FFmpegSubtitlesConvertorPP(FFmpegPostProcessor):
 
             with io.open(new_file, 'rt', encoding='utf-8') as f:
                 subs[lang] = {
-                    'ext': ext,
+                    'ext': new_ext,
                     'data': f.read(),
                 }