# MKV default subtitle flag

**URL:** <https://forums.plex.tv/t/mkv-default-subtitle-flag/624431>\
**Category:** General Discussions\
**Created:** [August 17, 2020, 12:31am UTC](https://forums.plex.tv/t/mkv-default-subtitle-flag/624431 "2020-08-17T00:31:53Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![badog](https://avatars.discourse-cdn.com/v4/letter/b/85e7bf/32.png) [@badog](https://forums.plex.tv/u/badog)\
**Post date:** [August 17, 2020, 12:31am UTC](https://forums.plex.tv/t/mkv-default-subtitle-flag/624431/1 "2020-08-17T00:31:53Z")

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Does Plex support MKV default flags for subtitles?

I used MKVtoolnix to set JPN audio and ENG subtitle as the default/forced for this show. Copied it to my plex server and refreshed the metadata and it seems like only the audio flag is being selected. Here is my MKVtoolnix setup

 ![image](https://global.discourse-cdn.com/plex/original/3X/3/e/3e9e6d51e9b5d3263b665ff0db455a60746b3c1b.png)

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**Author:** ![alexandre](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/alexandre/32/308407_2.png) [@alexandre](https://forums.plex.tv/u/alexandre)\
**Post date:** [August 17, 2020, 12:56am UTC](https://forums.plex.tv/t/mkv-default-subtitle-flag/624431/2 "2020-08-17T00:56:57Z")

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I suppose it would work if you disable `Settings>Languages>Automatically select audio and subtitle tracks` but I never tested it myself.

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [November 15, 2020, 12:56am UTC](https://forums.plex.tv/t/mkv-default-subtitle-flag/624431/3 "2020-11-15T00:56:57Z")

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