--- a/mod_auto_answer_disco_info/mod_auto_answer_disco_info.lua	Wed Mar 07 17:41:40 2018 +0100
+++ b/mod_auto_answer_disco_info/mod_auto_answer_disco_info.lua	Wed Mar 07 17:42:38 2018 +0100
@@ -14,7 +14,7 @@
 	local to = stanza.attr.to;
 	local node = query.attr.node;
 
-	local target_session = full_sessions[to];
+	local target_session = prosody.full_sessions[to];
 	local disco_info = target_session.caps_cache;
 	if disco_info ~= nil and (node == nil or node == disco_info.attr.node) then
 		local iq = st.reply(stanza);