From d95b8b500e4709a0f1aae03ad9ca45f21314c528 Mon Sep 17 00:00:00 2001
From: Casey <a.roaming.shadow@gmail.com>
Date: Sun, 20 Mar 2022 18:38:09 -0400
Subject: [PATCH] Merge pull request #12495 from Verkister/patch-110

fixes lighting turf opacity runtime spam
---
 code/modules/lighting/lighting_turf.dm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/code/modules/lighting/lighting_turf.dm b/code/modules/lighting/lighting_turf.dm
index 3ab854a26f..d6cd0acdc8 100644
--- a/code/modules/lighting/lighting_turf.dm
+++ b/code/modules/lighting/lighting_turf.dm
@@ -111,7 +111,7 @@
 		return
 	directional_opacity = NONE
 	for(var/atom/movable/opacity_source as anything in opacity_sources)
-		if(opacity_source.flags & ON_BORDER)
+		if(opacity_source && opacity_source.flags & ON_BORDER)
 			directional_opacity |= opacity_source.dir
 		else //If fulltile and opaque, then the whole tile blocks view, no need to continue checking.
 			directional_opacity = ALL_CARDINALS