From ad4e8d5cebca98a0c7866f0db192277c54bcb5da Mon Sep 17 00:00:00 2001
From: Jordan Brown <Cyberboss@users.noreply.github.com>
Date: Thu, 8 Jun 2017 12:17:18 -0400
Subject: [PATCH] Sanity check open

---
 code/datums/browser.dm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/datums/browser.dm b/code/datums/browser.dm
index 17b1060e7bce..686757077c2a 100644
--- a/code/datums/browser.dm
+++ b/code/datums/browser.dm
@@ -92,6 +92,10 @@
 	"}
 
 /datum/browser/proc/open(use_onclose = 1)
+	if(isnull(window_id))	//null check because this can potentially nuke goonchat
+		WARNING("Browser [title] tried to open with a null ID")
+		to_chat(user, "<span class='userdanger'>The [title] browser you tried to open failed a sanity check! Please report this on github!</span>"
+		return
 	var/window_size = ""
 	if (width && height)
 		window_size = "size=[width]x[height];"