diff --git a/tv/3modules/charybdis/default.nix b/tv/3modules/charybdis/default.nix
index a0638e1eb..9c5ce2731 100644
--- a/tv/3modules/charybdis/default.nix
+++ b/tv/3modules/charybdis/default.nix
@@ -84,6 +84,7 @@ in {
     users.users.${cfg.user.name} = {
       inherit (cfg.user) home name uid;
       createHome = true;
+      isSystemUser = true;
     };
   };
 }