diff --git a/pkgs/development/compilers/ghc/head.nix b/pkgs/development/compilers/ghc/head.nix
index 9d7cd4482d2..5ffe421f08c 100644
--- a/pkgs/development/compilers/ghc/head.nix
+++ b/pkgs/development/compilers/ghc/head.nix
@@ -25,6 +25,7 @@ stdenv.mkDerivation rec {
 
   postUnpack = ''
     pushd ghc-${builtins.substring 0 7 rev}
+    patchShebangs .
     ./boot
     popd
   '';