diff --git a/maps/mp/mods/disableClassMenu.gsc b/maps/mp/mods/disableClassMenu.gsc
index 706d616..29b94b2 100644
--- a/maps/mp/mods/disableClassMenu.gsc
+++ b/maps/mp/mods/disableClassMenu.gsc
@@ -4,6 +4,13 @@
 
 disableClassMenu()
 {
+	// https://github.com/promod/CoD4-Mod-Tools/blob/e88c6f106cb124547e514e658001fcdc4c4e15f3/raw/ui_mp/choices_setup_teams.menu#L57
+	SetDvar("scr_oldschool", 1);
+
+	// found in https://github.com/promod/CoD4-Mod-Tools/blob/e88c6f106cb124547e514e658001fcdc4c4e15f3/raw/ui_mp/scriptmenus/ingame.menu#L94
+	// but it's probably no longer in use seeing as the whole file has been commented out.
+	SetDvar("ui_allow_classchange", 0);
+
 	level.originalAllies = level.allies;
 	level.originalAxis = level.axis;
 	level.originalAutoAssign = level.autoAssign;