--- a/plugins/mod_admin_telnet.lua	Wed Apr 29 22:59:01 2020 +0200
+++ b/plugins/mod_admin_telnet.lua	Wed Apr 29 23:15:01 2020 +0200
@@ -330,6 +330,11 @@
 
 --luacheck: ignore 212/self
 
+def_env.output = {};
+function def_env.output:configure(opts)
+	self.session.serialize = serialization.new(opts);
+end
+
 def_env.server = {};
 
 function def_env.server:insane_reload()