--- a/plugins/mod_s2s/mod_s2s.lua	Mon Sep 25 23:06:00 2017 +0100
+++ b/plugins/mod_s2s/mod_s2s.lua	Mon Sep 25 23:12:47 2017 +0100
@@ -174,6 +174,7 @@
 
 -- Stream is authorised, and ready for normal stanzas
 function mark_connected(session)
+
 	local sendq = session.sendq;
 
 	local from, to = session.from_host, session.to_host;
@@ -205,6 +206,7 @@
 			session.sendq = nil;
 		end
 
+		session.resolver = nil;
 		session.ip_hosts = nil;
 		session.srv_hosts = nil;
 	end