diff --git a/flake.nix b/flake.nix
index d7c1fc0..1993f03 100644
--- a/flake.nix
+++ b/flake.nix
@@ -27,10 +27,13 @@
           inherit build-tools-src;
           inherit clj2nix;
         };
-        mkClojureLib =
-          pkgs.callPackage ./mkClojureLib.nix { inherit build-tools-jar; };
       in {
-        packages = utils.lib.flattenTree { inherit mkClojureLib; };
-        overlay = final: prev: { inherit mkClojureLib; };
+        packages = utils.lib.flattenTree {
+          mkClojureLib =
+            pkgs.callPackage ./mkClojureLib.nix { inherit build-tools-jar; };
+        };
+        overlay = final: prev: {
+          inherit (self.packages.${system}) mkClojureLib;
+        };
       });
 }
diff --git a/mkClojureLib.nix b/mkClojureLib.nix
index 90134b8..5adcf86 100644
--- a/mkClojureLib.nix
+++ b/mkClojureLib.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, callPackage, jre, ruby, clojure, build-tools-jar, writeScript
-, writeText, ... }:
-{ src, name, group, version, clj-deps, src-paths, ... }:
+, writeText }:
+{ src, name, group, version, clj-deps, src-paths }:
 
 with lib;
 let