diff --git a/flake/nixpkgs.nix b/flake/nixpkgs.nix
index 4a8a64d..920fddc 100644
--- a/flake/nixpkgs.nix
+++ b/flake/nixpkgs.nix
@@ -10,9 +10,7 @@ let
       overlays = [
         self.overlays.clerie-inputs
         self.overlays.clerie-pkgs
-        (final: prev: {
-          clerie-build-support = self.overlays.clerie-build-support final prev;
-        })
+        self.overlays.clerie-build-support
         self.overlays.clerie-overrides
       ];
     };
diff --git a/pkgs/build-support/overlay.nix b/pkgs/build-support/overlay.nix
index c8ababc..4daaed4 100644
--- a/pkgs/build-support/overlay.nix
+++ b/pkgs/build-support/overlay.nix
@@ -1,5 +1,7 @@
 final: prev:
 
 {
-  writePythonScript = final.callPackage ./writePythonScript.nix {};
+  clerie-build-support = {
+    writePythonScript = final.callPackage ./writePythonScript.nix {};
+  };
 }