From 24680205f47e245e645f0bd39680ea0e9f866df5 Mon Sep 17 00:00:00 2001
From: ninjanomnom <ninjanomnom@gmail.com>
Date: Sun, 6 May 2018 14:04:03 -0400
Subject: [PATCH] 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 68d8ebc31fc..f02d352310b 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()