--- a/plugins/muc/history.lib.lua	Sat Apr 01 16:02:57 2017 +0200
+++ b/plugins/muc/history.lib.lua	Sat Apr 01 16:03:37 2017 +0200
@@ -120,6 +120,7 @@
 	local maxchars, maxstanzas, since = parse_history(stanza);
 	local event = {
 		room = room;
+		stanza = stanza;
 		to = stanza.attr.from; -- `to` is required to calculate the character count for `maxchars`
 		maxchars = maxchars, maxstanzas = maxstanzas, since = since;
 		next_stanza = function() end; -- events should define this iterator