diff --git a/pkgs/development/libraries/fox/fox-1.6.nix b/pkgs/development/libraries/fox/fox-1.6.nix
index c239210163c2..b5b86cbe48a0 100644
--- a/pkgs/development/libraries/fox/fox-1.6.nix
+++ b/pkgs/development/libraries/fox/fox-1.6.nix
@@ -1,6 +1,21 @@
-{ lib, stdenv, fetchurl, xlibsWrapper, libpng, libjpeg, libtiff, zlib, bzip2, libXcursor
-, libXrandr, libGLU, libGL, libXft, libXfixes, xinput
-, CoreServices }:
+{ lib
+, stdenv
+, fetchurl
+, libpng
+, libjpeg
+, libtiff
+, zlib
+, bzip2
+, libXcursor
+, libXrandr
+, libGLU
+, libGL
+, libXext
+, libXft
+, libXfixes
+, xinput
+, CoreServices
+}:
 
 stdenv.mkDerivation rec {
   pname = "fox";
@@ -12,8 +27,8 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    xlibsWrapper libpng libjpeg libtiff zlib bzip2 libXcursor libXrandr
-    libXft libGLU libGL libXfixes xinput
+    libpng libjpeg libtiff zlib bzip2 libXcursor libXrandr
+    libXext libXft libGLU libGL libXfixes xinput
   ] ++ lib.optional stdenv.isDarwin CoreServices;
 
   doCheck = true;