diff --git a/pkgs/development/web/nodejs/v4.nix b/pkgs/development/web/nodejs/v4.nix
index b3958fc8529f..ad13d108803f 100644
--- a/pkgs/development/web/nodejs/v4.nix
+++ b/pkgs/development/web/nodejs/v4.nix
@@ -43,6 +43,10 @@ in stdenv.mkDerivation {
 
   patches = stdenv.lib.optionals stdenv.isDarwin [ ./no-xcode.patch ./pkg-libpath.patch ];
 
+  postFixup = ''
+    sed -i 's/raise.*No Xcode or CLT version detected.*/version = "7.0.0"/' $out/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py
+  '';
+
   buildInputs = [ python which zlib libuv openssl python ]
     ++ optionals stdenv.isLinux [ utillinux http-parser ]
     ++ optionals stdenv.isDarwin [ pkgconfig openssl libtool ];