--- a/mod_groups_internal/mod_groups_internal.lua	Tue Jan 09 13:50:18 2024 +0000
+++ b/mod_groups_internal/mod_groups_internal.lua	Thu Jan 11 15:53:18 2024 +0000
@@ -422,10 +422,11 @@
 	end
 
 	return array.map(mucs, function (muc_jid)
+		local room = muc_host.get_room_from_jid(muc_jid);
 		return {
 			id = jid.node(muc_jid);
 			jid = muc_jid;
-			name = muc_host.get_room_from_jid(muc_jid):get_name() or group_info.name;
+			name = room and room:get_name() or group_info.name;
 		};
 	end);
 end