diff --git a/nix/nixos-modules/vmCommon.nix b/nix/nixos-modules/vmCommon.nix
index 9e82d3f..18af322 100644
--- a/nix/nixos-modules/vmCommon.nix
+++ b/nix/nixos-modules/vmCommon.nix
@@ -106,9 +106,9 @@ in
             # TODO
           };
 
-          useDHCP = true;
+          useDHCP = lib.mkDefault true;
           useNetworkd = lib.mkDefault false;
-          usePredictableInterfaceNames = true;
+          usePredictableInterfaceNames = lib.mkDefault true;
 
         };