diff --git a/configuration-nas.nix b/configuration-nas.nix
index 8c58a59..00deaaa 100644
--- a/configuration-nas.nix
+++ b/configuration-nas.nix
@@ -267,7 +267,7 @@ in
 
     # Nix app account
     users.nix-apps = {
-      isNormalUser = true;
+      isSystemUser = true;
       uid = 911;
       extraGroups = [ "jallen-nas" "wheel" "docker" "podman" "libvirt" ]; # Enable ‘sudo’ for the user.
       initialHashedPassword = password;