diff --git a/systems/x86_64-linux/x1/default.nix b/systems/x86_64-linux/x1/default.nix
index de115c5..6438665 100644
--- a/systems/x86_64-linux/x1/default.nix
+++ b/systems/x86_64-linux/x1/default.nix
@@ -63,6 +63,7 @@ with lib.metacfg;
     user.extraGroups = [
       "docker"
       "dialout"
+      "tss"
     ];
   };