From 9672f98de300839b3e5a4395d11f7c110c7b7524 Mon Sep 17 00:00:00 2001
From: r4d6 <50276533+r4d6@users.noreply.github.com>
Date: Thu, 19 Dec 2019 15:24:56 -0500
Subject: [PATCH] Fix a possible alert

---
 code/controllers/subsystem/air.dm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/code/controllers/subsystem/air.dm b/code/controllers/subsystem/air.dm
index 5bcc911005..193756dc5a 100644
--- a/code/controllers/subsystem/air.dm
+++ b/code/controllers/subsystem/air.dm
@@ -392,6 +392,9 @@ SUBSYSTEM_DEF(air)
 		AM.build_network()
 		CHECK_TICK
 
+	if(!initialized)
+		return
+
 /datum/controller/subsystem/air/proc/get_init_dirs(type, dir)
 	if(!pipe_init_dirs_cache[type])
 		pipe_init_dirs_cache[type] = list()