diff --git a/code/modules/events/shuttle_catastrophe.dm b/code/modules/events/shuttle_catastrophe.dm
index a5807de81f6..95421105efc 100644
--- a/code/modules/events/shuttle_catastrophe.dm
+++ b/code/modules/events/shuttle_catastrophe.dm
@@ -5,6 +5,8 @@
 	max_occurrences = 1
 
 /datum/round_event_control/shuttle_catastrophe/canSpawnEvent(players, gamemode)
+	if(SSshuttle.shuttle_purchased == SHUTTLEPURCHASE_FORCED)
+		return FALSE //don't do it if its already been done
 	if(istype(SSshuttle.emergency, /obj/docking_port/mobile/emergency/shuttle_build))
 		return FALSE //don't undo manual player engineering, it also would unload people and ghost them, there's just a lot of problems
 	if(EMERGENCY_AT_LEAST_DOCKED)