diff --git a/code/game/response_team.dm b/code/game/response_team.dm
index 6acdc12dea0..9be2b5815bc 100644
--- a/code/game/response_team.dm
+++ b/code/game/response_team.dm
@@ -82,6 +82,10 @@ var/can_call_ert
usr << "This role is not yet available to you. You need to wait another [player_age_check] days."
return
+ if(src.has_enabled_antagHUD == 1 && config.antag_hud_restricted)
+ usr << "\blue Upon using the antagHUD you forfeited the ability to join the round."
+ return
+
if(response_team_members.len > 6)
usr << "The emergency response team is already full!"
return