From ba2b78e112cca0b5a6227c4f7e213bc05b9cfd2e Mon Sep 17 00:00:00 2001
From: Heroman <alesha3000@list.ru>
Date: Thu, 2 Dec 2021 17:53:39 +1000
Subject: [PATCH] isopenspace

---
 code/_helpers/game.dm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/_helpers/game.dm b/code/_helpers/game.dm
index 6bd5c022dc2..c9727a8a98b 100644
--- a/code/_helpers/game.dm
+++ b/code/_helpers/game.dm
@@ -279,7 +279,7 @@
 		var/turf/U = GetBelow(O)
 		while(istype(U))
 			hearturfs |= U
-			if(istype(U, /turf/simulated/open))
+			if(isopenspace(U))
 				U = GetBelow(U)
 			else
 				U = null