diff --git a/code/modules/events/nightmare.dm b/code/modules/events/nightmare.dm
index 7be5db8e84..96dde79395 100644
--- a/code/modules/events/nightmare.dm
+++ b/code/modules/events/nightmare.dm
@@ -19,12 +19,11 @@
 	player_mind.active = TRUE
 
 	var/list/spawn_locs = list()
-	for(var/obj/effect/landmark/xeno_spawn/L in GLOB.landmarks_list)
-		if(isturf(L.loc))
-			var/turf/T = L.loc
-			var/light_amount = T.get_lumcount()
-			if(light_amount < SHADOW_SPECIES_LIGHT_THRESHOLD)
-				spawn_locs += T
+	for(var/X in GLOB.xeno_spawn)
+		var/turf/T = X
+		var/light_amount = T.get_lumcount()
+		if(light_amount < SHADOW_SPECIES_LIGHT_THRESHOLD)
+			spawn_locs += T
 
 	if(!spawn_locs.len)
 		message_admins("No valid spawn locations found, aborting...")