--- a/mod_storage_muc_log/mod_storage_muc_log.lua	Thu May 21 11:14:16 2015 +0200
+++ b/mod_storage_muc_log/mod_storage_muc_log.lua	Thu May 21 11:56:35 2015 +0200
@@ -50,7 +50,7 @@
 
 function driver:append(node, key, stanza, when, with)
 	if type(when) ~= "number" then
-		value, when, with = when, with, value;
+		stanza, when, with = when, with, stanza;
 	end
 	local today = os_date(datef, when);
 	local now = os_date(timef, when);

--- a/mod_storage_xmlarchive/mod_storage_xmlarchive.lua	Thu May 21 11:14:16 2015 +0200
+++ b/mod_storage_xmlarchive/mod_storage_xmlarchive.lua	Thu May 21 11:56:35 2015 +0200
@@ -25,7 +25,7 @@
 
 function archive:append(username, _, data, when, with)
 	if type(when) ~= "number" then
-		value, when, with = when, with, value;
+		data, when, with = when, with, data;
 	end
 	if getmetatable(data) ~= st.stanza_mt then
 		module:log("error", "Attempt to store non-stanza object, traceback: %s", debug.traceback());