diff --git a/ProtonMail.md b/ProtonMail.md
index c1549cf..80b9be1 100644
--- a/ProtonMail.md
+++ b/ProtonMail.md
@@ -2,7 +2,7 @@
 
 <img src="https://wekan.github.io/translations/protonmail.png" width="100%" alt="Protonmail with Finnish translation" />
 
-1. Newest Ubuntu/Linux Mint/Debian/WSL. Note: You need at least 4 GB RAM free for running Protonmail frontend. If there is not enough RAM, running Protonmail frontend will stop to error.
+1. Newest Ubuntu/Linux Mint/Debian/WSL. Note: You need at least 4 GB RAM free for running Protonmail frontend. If there is not enough RAM, running Protonmail frontend will stop to error. Running in Ubuntu 22.10 amd64 did work, but not running in Qubes OS Debian PVM.
 
 2. Install Volta node version manager like described at: https://docs.volta.sh/guide/getting-started