diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 93d8431b8d0..0d1ddc6cbfb 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -226,7 +226,7 @@
 
   packages_ghc783 =
     packages { ghcPath = ../development/compilers/ghc/7.8.3.nix;
-               ghcBinary = ghc783Binary;
+               ghcBinary = if stdenv.isDarwin then ghc783Binary else ghc742Binary;
                prefFun = ghc783Prefs;
              };