1 files changed, 5 insertions, 6 deletions

diff --git a/default.nix b/default.nix
index 804e871..57608b3 100644
--- a/default.nix
+++ b/default.nix
@@ -1,7 +1,6 @@
+argumentPackages@{ ... }:
+
 let
-  pkgs = import <nixpkgs> {};
-in rec {
-  trivmix = pkgs.stdenv.lib.overrideDerivation (pkgs.haskellPackages.callPackage ./trivmix.nix {}) (attrs : {
-          src = ./.;
-        });
-}
+  defaultPackages = with (import <nixpkgs> {}); haskellPackages;
+  pkgs = defaultPackages // argumentPackages;
+in pkgs.callPackage ./trivmix.nix {}