diff --git a/nixos/modules/services/system/dbus.nix b/nixos/modules/services/system/dbus.nix
index 5c20901427c..77427ce9606 100644
--- a/nixos/modules/services/system/dbus.nix
+++ b/nixos/modules/services/system/dbus.nix
@@ -73,6 +73,7 @@ in
       enable = mkOption {
         type = types.bool;
         default = true;
+        internal = true;
         description = ''
           Whether to start the D-Bus message bus daemon, which is
           required by many other system services and applications.