diff --git a/pkgs/tools/misc/wv2/default.nix b/pkgs/tools/misc/wv2/default.nix
index 1c2c94ff89ca..f39eaf0b047b 100644
--- a/pkgs/tools/misc/wv2/default.nix
+++ b/pkgs/tools/misc/wv2/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ pkgconfig cmake libgsf glib libxml2 ];
 
+  NIX_CFLAGS_COMPILE = "-I${libxml2.dev}/include/libxml2";
+
   meta = {
     description = "Excellent MS Word filter lib, used in most Office suites";
     license = stdenv.lib.licenses.lgpl2;