diff --git a/modules/nixos/core/nix.nix b/modules/nixos/core/nix.nix
index b0bc80f..548d448 100644
--- a/modules/nixos/core/nix.nix
+++ b/modules/nixos/core/nix.nix
@@ -14,7 +14,7 @@ let
       (file: builtins.match ".*\.nix" (builtins.toString file) != null)
       (lib.filesystem.listFilesRecursive ../../../overlays));
   */
-  c = builtins.trace ../../../overlays;
+  c = builtins.trace ../../../overlays null;
   a = builtins.trace (lib.filesystem.listFilesRecursive ./.) null;
 in {
   nix = {
@@ -29,6 +29,7 @@ in {
     '';
   };
   b = c;
+  d = a;
   nixpkgs = {
     config = {
       allowUnfree = true;