diff --git a/pkgs/development/libraries/fox/default.nix b/pkgs/development/libraries/fox/default.nix
index 14233488844d..2eda944048ab 100644
--- a/pkgs/development/libraries/fox/default.nix
+++ b/pkgs/development/libraries/fox/default.nix
@@ -1,5 +1,17 @@
-{ lib, stdenv, fetchurl, xlibsWrapper, libpng, libjpeg, libtiff, zlib, bzip2, libXcursor, libXrandr, libXft
-, CoreServices ? null }:
+{ lib
+, stdenv
+, fetchurl
+, libpng
+, libjpeg
+, libtiff
+, zlib
+, bzip2
+, libXcursor
+, libXext
+, libXrandr
+, libXft
+, CoreServices ? null
+}:
 
 stdenv.mkDerivation rec {
   pname = "fox";
@@ -12,7 +24,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./clang.patch ];
 
-  buildInputs = [ libpng xlibsWrapper libjpeg libtiff zlib bzip2 libXcursor libXrandr libXft ]
+  buildInputs = [ libpng libjpeg libtiff zlib bzip2 libXcursor libXext libXrandr libXft ]
     ++ lib.optional stdenv.isDarwin CoreServices;
 
   doCheck = true;