1 files changed, 4 insertions, 4 deletions

diff --git a/shell.nix b/shell.nix
index b2b6842..eb6bd17 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,13 +1,13 @@
-{ nixpkgs ? import <nixpkgs> {}, compiler ? "default" }:
+{ nixpkgs ? import <nixpkgs> {}, compiler ? null }:
 
 let
   inherit (nixpkgs) pkgs;
 
-  haskellPackages = if compiler == "default"
+  haskellPackages = if compiler == null
                        then pkgs.haskellPackages
-                       else pkgs.haskell.packages.${compiler};
+                       else pkgs.haskell.packages."${compiler}";
 
-  drv = haskellPackages.callPackage ./bar.nix {};
+  drv = import ./default.nix {};
 in
   pkgs.stdenv.lib.overrideDerivation drv.env (oldAttrs: {
     nativeBuildInputs = oldAttrs.nativeBuildInputs ++ (with pkgs; [ cabal2nix gup postgresql ]) ++ (with haskellPackages; [ hlint stack yesod-bin alex ]);