--- a/plugins/mod_c2s.lua	Mon Apr 22 12:25:00 2013 +0100
+++ b/plugins/mod_c2s.lua	Mon Apr 22 12:35:52 2013 +0100
@@ -116,7 +116,7 @@
 	end
 end
 
-local function handleerr(err) log("error", "Traceback[c2s]: %s: %s", tostring(err), traceback()); end
+local function handleerr(err) log("error", "Traceback[c2s]: %s", traceback(tostring(err), 2)); end
 function stream_callbacks.handlestanza(session, stanza)
 	stanza = session.filter("stanzas/in", stanza);
 	if stanza then