From 0decd3b0782d51c06f4af380beb6de0c48d6276c Mon Sep 17 00:00:00 2001
From: Spamcat <spamcat@derpy.ru>
Date: Wed, 8 May 2013 15:12:25 +0400
Subject: [PATCH] Air alarm runtimes. fixed #2717

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

diff --git a/code/game/machinery/alarm.dm b/code/game/machinery/alarm.dm
index ea06ad87299..75565e8a747 100644
--- a/code/game/machinery/alarm.dm
+++ b/code/game/machinery/alarm.dm
@@ -131,7 +131,7 @@
 			return
 
 		var/turf/simulated/location = loc
-		ASSERT(istype(location))
+		if(!istype(location))	return//returns if loc is not simulated
 
 		var/datum/gas_mixture/environment = location.return_air()
 		var/partial_pressure = R_IDEAL_GAS_EQUATION*environment.temperature/environment.volume