diff --git a/code/__DEFINES/subsystems.dm b/code/__DEFINES/subsystems.dm
index 4792f16ef3..88f34e7080 100644
--- a/code/__DEFINES/subsystems.dm
+++ b/code/__DEFINES/subsystems.dm
@@ -161,5 +161,8 @@
 		if(LAZYLEN(po)){\
 			A.overlays |= po;\
 		}\
+		else{\
+			A.priority_overlays = null;\
+		}\
 		A.flags_1 &= ~OVERLAY_QUEUED_1;\
 	}