diff --git a/plex/compose.yml b/plex/compose.yml
index 656b5b7..548238c 100644
--- a/plex/compose.yml
+++ b/plex/compose.yml
@@ -8,6 +8,7 @@ services:
       - PGID=1000
       - TZ=Europe/Berlin
       - VERSION=public
+      - SUPPLEMENTAL_GROUPS=992
     devices:
       - /dev/dri:/dev/dri
     volumes: