--- a/plugins/ping.lua	Mon Nov 28 17:16:04 2011 +0100
+++ b/plugins/ping.lua	Fri Dec 02 11:02:02 2011 +0600
@@ -1,3 +1,5 @@
+local verse = require "verse";
+
 local xmlns_ping = "urn:xmpp:ping";
 
 function verse.plugins.ping(stream)