--- a/clix/export.lua	Wed Apr 20 02:00:16 2011 +0200
+++ b/clix/export.lua	Thu May 05 01:30:06 2011 +0200
@@ -45,7 +45,7 @@
 		, function(stanza)
 			conn:debug("got private %s*%s", node[2], node[1]);
 			local query = stanza:get_child("query", xmlns_private);
-			if query then
+			if query and #query > 0 then
 				export:add_child(query);
 			end
 			out = out - 1;