diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
index a41ce4650c5d..341429bbc1d4 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.9.x.nix
@@ -108,6 +108,6 @@ self: super: {
     ];
     homepage = "https://github.com/sol/doctest#readme";
     description = "Test interactive Haskell examples";
-    license = self.stdenv.lib.licenses.mit;
+    license = pkgs.stdenv.lib.licenses.mit;
   };
 }