diff --git a/code/modules/events/tgevents/anomaly_bluespace.dm b/code/modules/events/tgevents/anomaly_bluespace.dm
index 96c93fafbf1..59921792e24 100644
--- a/code/modules/events/tgevents/anomaly_bluespace.dm
+++ b/code/modules/events/tgevents/anomaly_bluespace.dm
@@ -22,6 +22,8 @@
 			var/obj/item/device/radio/beacon/chosen
 			var/list/possible = list()
 			for(var/obj/item/device/radio/beacon/W in world)
+				if(W.z != 1)
+					continue
 				possible += W
 
 			if(possible.len > 0)