1 files changed, 2 insertions, 4 deletions

diff --git a/shell.nix b/shell.nix
index aab5da4..fbc2138 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,9 +1,7 @@
 { pkgs ? (import <nixpkgs> {})
 }:
 
-let
-  mars = pkgs.callPackage ./mars.nix {};
-in pkgs.stdenv.mkDerivation {
+pkgs.stdenv.mkDerivation {
   name = "uni-env";
   buildInputs = [ pkgs.haskellPackages.pandoc
                   pkgs.gup
@@ -11,6 +9,6 @@ in pkgs.stdenv.mkDerivation {
                   pkgs.zip
                   pkgs.strace
                   pkgs.gcc
-                  mars
+                  (pkgs.callPackage ./mars.nix {})
                 ];
 }