diff --git a/code/modules/antagonists/traitor/equipment/Malf_Modules.dm b/code/modules/antagonists/traitor/equipment/Malf_Modules.dm
index 149b869649..00bb8b5633 100644
--- a/code/modules/antagonists/traitor/equipment/Malf_Modules.dm
+++ b/code/modules/antagonists/traitor/equipment/Malf_Modules.dm
@@ -261,6 +261,8 @@ GLOBAL_LIST_INIT(blacklisted_malf_machines, typecacheof(list(
 		return //prevent the AI from activating an already active doomsday
 	if (owner_AI.shunted)
 		return //prevent AI from activating doomsday while shunted.
+	if (istype(owner.loc, /obj/item/aicard))
+		return //prevent AI from activating doomsday while carded. If the AI gets carded after doomsdaying, there's already code to stop it then.
 	active = TRUE
 	set_us_up_the_bomb(owner)