diff -r b760b5f0c2b0 -r 0b6a99e6c1b1 plugins/mod_s2s/mod_s2s.lua
--- a/plugins/mod_s2s/mod_s2s.lua	Mon Apr 22 12:25:00 2013 +0100
+++ b/plugins/mod_s2s/mod_s2s.lua	Mon Apr 22 12:35:52 2013 +0100
@@ -429,7 +429,7 @@
 	end
 end
 
-local function handleerr(err) log("error", "Traceback[s2s]: %s: %s", tostring(err), traceback()); end
+local function handleerr(err) log("error", "Traceback[s2s]: %s", traceback(tostring(err), 2)); end
 function stream_callbacks.handlestanza(session, stanza)
 	if stanza.attr.xmlns == "jabber:client" then --COMPAT: Prosody pre-0.6.2 may send jabber:client
 		stanza.attr.xmlns = nil;