diff --git a/pkgs/tools/typesetting/docbook2x/default.nix b/pkgs/tools/typesetting/docbook2x/default.nix
index 78dac0c6aa4e..b31c64e6936a 100644
--- a/pkgs/tools/typesetting/docbook2x/default.nix
+++ b/pkgs/tools/typesetting/docbook2x/default.nix
@@ -46,13 +46,14 @@ stdenv.mkDerivation rec {
       "${gnused}/bin"
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     longDescription = ''
       docbook2X is a software package that converts DocBook documents
       into the traditional Unix man page format and the GNU Texinfo
       format.
     '';
-    license = stdenv.lib.licenses.mit;
+    license = licenses.mit;
     homepage = http://docbook2x.sourceforge.net/;
+    platforms = platforms.all;
   };
 }