diff --git a/README.md b/README.md
index aab6114a..81a28b1c 100644
--- a/README.md
+++ b/README.md
@@ -1945,6 +1945,12 @@ Run in the LXC console
 ```yaml
 apt update && apt upgrade -y
 ```
+⚠️ **Issue with X on Ubuntu 20.04 and Unprivileged**
+
+If you really need to use Ubuntu below 22.04 there is an issue with access rights that prevents Xorg from starting on TTY7 on an Unprivileged container. Workaround exists but a change on the host machine is required so please accept the risk beforehand. On host execute:
+```yaml
+chmod 660 /dev/tty7
+```
 ____________________________________________________________________________________________ 
 
 </details>
diff --git a/setup/kodi-install.sh b/setup/kodi-install.sh
index bf74db62..a19b5513 100644
--- a/setup/kodi-install.sh
+++ b/setup/kodi-install.sh
@@ -165,7 +165,7 @@ __EOF__
 cat > /etc/systemd/system/lightdm.service.d/override.conf << __EOF__
 [Service]
 ExecStartPre=/bin/sh -c '/usr/local/bin/preX-populate-input.sh'
-SupplementaryGroups=video input audio
+SupplementaryGroups=video input audio tty
 __EOF__
 systemctl daemon-reload
 msg_ok "Set up device detection for xorg"