diff --git a/modules/base.nix b/modules/base.nix
index 56b197d7..be45478f 100644
--- a/modules/base.nix
+++ b/modules/base.nix
@@ -2,6 +2,8 @@
   pkgs,
   myvars,
   nuenv,
+  nixpkgs,
+  lib,
   ...
 } @ args: {
   nixpkgs.overlays =
@@ -111,4 +113,12 @@
     ];
     builders-use-substitutes = true;
   };
+
+  # make `nix run nixpkgs#nixpkgs` use the same nixpkgs as the one used by this flake.
+  nix.registry.nixpkgs.flake = nixpkgs;
+
+  environment.etc."nix/inputs/nixpkgs".source = "${nixpkgs}";
+  # make `nix repl '<nixpkgs>'` use the same nixpkgs as the one used by this flake.
+  # discard all the default paths, and only use the one from this flake.
+  nix.nixPath = lib.mkForce ["/etc/nix/inputs"];
 }
diff --git a/modules/darwin/nix-core.nix b/modules/darwin/nix-core.nix
index 3d795ea6..e278e648 100644
--- a/modules/darwin/nix-core.nix
+++ b/modules/darwin/nix-core.nix
@@ -1,8 +1,4 @@
 {
-  lib,
-  nixpkgs,
-  ...
-}: {
   ###################################################################################
   #
   #  Core configuration for nix-darwin
@@ -28,12 +24,4 @@
   nix.settings.auto-optimise-store = false;
 
   nix.gc.automatic = false;
-
-  # make `nix run nixpkgs#nixpkgs` use the same nixpkgs as the one used by this flake.
-  nix.registry.nixpkgs.flake = nixpkgs;
-
-  environment.etc."nix/inputs/nixpkgs".source = "${nixpkgs}";
-  # make `nix repl '<nixpkgs>'` use the same nixpkgs as the one used by this flake.
-  # discard all the default paths, and only use the one from this flake.
-  nix.nixPath = lib.mkForce ["/etc/nix/inputs"];
 }