diff --git a/code/game/objects/items/storage/bags.dm b/code/game/objects/items/storage/bags.dm
index eafa79798e..03f62f48d4 100644
--- a/code/game/objects/items/storage/bags.dm
+++ b/code/game/objects/items/storage/bags.dm
@@ -130,7 +130,8 @@
 
 /obj/item/storage/bag/ore/dropped()
 	. = ..()
-	UnregisterSignal(listeningTo, COMSIG_MOVABLE_MOVED)
+	if(listeningTo)
+		UnregisterSignal(listeningTo, COMSIG_MOVABLE_MOVED)
 	listeningTo = null
 
 /obj/item/storage/bag/ore/proc/Pickup_ores(mob/living/user)