diff --git a/pkgs/build-support/cabal/ghcjs.nix b/pkgs/build-support/cabal/ghcjs.nix
index 3c4722c214a..55e10dd1f5a 100644
--- a/pkgs/build-support/cabal/ghcjs.nix
+++ b/pkgs/build-support/cabal/ghcjs.nix
@@ -246,12 +246,12 @@ in
 
               ./Setup copy
 
-              ensureDir $out/bin # necessary to get it added to PATH
+              mkdir -p $out/bin # necessary to get it added to PATH
 
               local confDir=$out/lib/ghcjs-${ghc.ghc.version}_ghc-${ghc.ghc.ghc.version}/package.conf.d
               local installedPkgConf=$confDir/${self.fname}.installedconf
               local pkgConf=$confDir/${self.fname}.conf
-              ensureDir $confDir
+              mkdir -p $confDir
               ./Setup register --gen-pkg-config=$pkgConf
               if test -f $pkgConf; then
                 echo '[]' > $installedPkgConf
diff --git a/pkgs/development/compilers/ghcjs/0.1.0.nix b/pkgs/development/compilers/ghcjs/0.1.0.nix
index f89cae50c16..2c5d950b5f5 100644
--- a/pkgs/development/compilers/ghcjs/0.1.0.nix
+++ b/pkgs/development/compilers/ghcjs/0.1.0.nix
@@ -14,8 +14,8 @@ cabal.mkDerivation (self: rec {
   version = "0.1.0";
   src = fetchgit {
     url = git://github.com/ghcjs/ghcjs.git;
-    rev = "c0b8ebb3e2608fdd8dc3b74b55f281b5c24be8e1";
-    sha256 = "442ebdfd426ec98a431735f72ec00c7dde54ae1f0c78dd593d33077ffdb1e2a2";
+    rev = "5c2d279982466e076223fcbe1e1096e22956e5a9";
+    sha256 = "0bc37b4e8bd039208a126fea39850c99459265cb273ac7237939cdbaee6ef71f";
   };
   bootSrc = fetchgit {
     url = git://github.com/ghcjs/ghcjs-boot.git;