No Effect on File Playback

[ghost]

Analysing the files with loudgain -r and then applying the replaygain with loudgain -s i, does add the tags, I can see them with mediainfo, but it doesn't seem to affect the playback volume at all. I have tested the files in mpv and in vlc.

OS: Arch
File Format: M4A
loudgain version: Just compiled from git version