--- a/plugins/mod_smacks.lua	Sat Sep 03 21:20:07 2022 +0100
+++ b/plugins/mod_smacks.lua	Sat Sep 03 21:20:29 2022 +0100
@@ -336,6 +336,7 @@
 		finish = function ()
 			session.log("debug", "Enabling stream management");
 
+			session.smacks = stanza.attr.xmlns;
 			track_session(session, resume_token);
 			wrap_session(session, false);
 		end;