diff --git a/code/ZAS/Turf.dm b/code/ZAS/Turf.dm
index 1b770590e10..ab7360643fe 100644
--- a/code/ZAS/Turf.dm
+++ b/code/ZAS/Turf.dm
@@ -59,7 +59,8 @@
 		#endif
 		if(zone)
 			var/zone/z = zone
-			if(locate(/obj/machinery/door/airlock) in src) //Hacky, but prevents normal airlocks from rebuilding zones all the time
+			
+			if(s_block & ZONE_BLOCKED) //Hacky, but prevents normal airlocks from rebuilding zones all the time
 				z.remove(src)
 			else
 				z.rebuild()