diff --git a/code/game/objects/effects/anomalies.dm b/code/game/objects/effects/anomalies.dm
index 0f84298eb1e..5bfb8836bd0 100644
--- a/code/game/objects/effects/anomalies.dm
+++ b/code/game/objects/effects/anomalies.dm
@@ -21,6 +21,7 @@
 	poi_list |= src
 
 /obj/effect/anomaly/Destroy()
+	aSignal = null
 	poi_list.Remove(src)
 	return ..()