From e1b0fffc77df1938ee28881bd6fca6530e8f7b7c Mon Sep 17 00:00:00 2001
From: SkyMarshal <joehe.inemeyer@gmail.com>
Date: Mon, 14 May 2012 10:16:52 -0700
Subject: [PATCH] Fixes a runtime.

---
 code/ATMOSPHERICS/pipes.dm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/code/ATMOSPHERICS/pipes.dm b/code/ATMOSPHERICS/pipes.dm
index 52aae83099d..863923b1023 100644
--- a/code/ATMOSPHERICS/pipes.dm
+++ b/code/ATMOSPHERICS/pipes.dm
@@ -341,7 +341,8 @@ obj/machinery/atmospherics/pipe
 
 		New()
 			initialize_directions = dir
-			air_temporary.update_values()
+			if(air_temporary)
+				air_temporary.update_values()
 			..()
 
 		process()