--- a/clients.lua	Mon Jan 04 13:48:27 2016 +0000
+++ b/clients.lua	Mon Jan 04 14:34:00 2016 +0000
@@ -92,7 +92,7 @@
 end
 
 local function mark_active(request)
-	local cookie = event.request.headers.cookie;
+	local cookie = request.headers.cookie;
 	if not cookie then
 		log("warn", "Active client with no cookie");
 		return;