diff --git a/pkgs/development/compilers/ghc/7.4.2-binary.nix b/pkgs/development/compilers/ghc/7.4.2-binary.nix
index 25c9dd0a65a9..88db6738ca0b 100644
--- a/pkgs/development/compilers/ghc/7.4.2-binary.nix
+++ b/pkgs/development/compilers/ghc/7.4.2-binary.nix
@@ -60,9 +60,11 @@ stdenv.mkDerivation rec {
     # On Linux, use patchelf to modify the executables so that they can
     # find editline/gmp.
     stdenv.lib.optionalString stdenv.isLinux ''
+      mkdir -p "$out/lib"
+      ln -sv "${ncurses}/lib/libncurses.so" "$out/lib/libncursesw.so.5"
       find . -type f -perm +100 \
           -exec patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-          --set-rpath "${ncurses}/lib:${gmp}/lib" {} \;
+          --set-rpath "$out/lib:${gmp}/lib" {} \;
       sed -i "s|/usr/bin/perl|perl\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
       sed -i "s|/usr/bin/gcc|gcc\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
       for prog in ld ar gcc strip ranlib; do