1 files changed, 1 insertions, 1 deletions

diff --git a/shell.nix b/shell.nix
index b6595aa..c6a13de 100644
--- a/shell.nix
+++ b/shell.nix
@@ -10,7 +10,7 @@ let
   drv = haskellPackages.callPackage ./bar.nix {};
 in
   pkgs.stdenv.lib.overrideDerivation drv.env (oldAttrs: {
-    buildInputs = oldAttrs.buildInputs ++ (with pkgs; [ cabal2nix gup haskellPackages.hlint haskellPackages.stack haskellPackages.yesod-bin ]);
+    nativeBuildInputs = oldAttrs.nativeBuildInputs ++ (with pkgs; [ cabal2nix gup ]) ++ (with haskellPackages; [ hlint stack yesod-bin alex ]);
     shellHook = ''
       ${oldAttrs.shellHook}
       export PROMPT_INFO="${oldAttrs.name}"