From 56e9fcd29c9f179e5e5497f0c52376d2e31afed1 Mon Sep 17 00:00:00 2001
From: Jordan Brown <Cyberboss@users.noreply.github.com>
Date: Sun, 6 May 2018 16:11:36 -0400
Subject: [PATCH 1/2] Merge pull request #37712 from
 ninjanomnom/dont-step-off-the-edge

Fixes a radiation runtime related to going off the map edge
---
 code/datums/radiation_wave.dm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/code/datums/radiation_wave.dm b/code/datums/radiation_wave.dm
index 68d8ebc31f..f02d352310 100644
--- a/code/datums/radiation_wave.dm
+++ b/code/datums/radiation_wave.dm
@@ -29,6 +29,9 @@
 
 /datum/radiation_wave/process()
 	master_turf = get_step(master_turf, move_dir)
+	if(!master_turf)
+		qdel(src)
+		return
 	steps++
 	var/list/atoms = get_rad_atoms()