Sonarr ignores remux

Sonarr version (exact version): 4.0.15.2941
Mono version (if Sonarr is not running on Windows): 6.0.13 (.net)
OS: Ubuntu Linux
Debug logs:PrivateBin
Debug logs password:blend^camel
Description of issue:
I have 1080p video files ripped from a blu-ray disk with MakeMKV v1.18.1. They are named with ‘SxxExx Bluray-1080p Remux’, but they are showing in Sonarr as ‘Bluray-1080p’, the remux has been dropped.

Let me know if you need any additional information.

Thanks!