From f190df3d3c51dc6f6688dbee5ebf70a34f3ecf27 Mon Sep 17 00:00:00 2001
From: SabreML <57483089+SabreML@users.noreply.github.com>
Date: Sat, 14 Aug 2021 08:41:01 +0100
Subject: [PATCH] `num2hex()` server freeze fix (#16541)

---
 code/__HELPERS/type2type.dm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/code/__HELPERS/type2type.dm b/code/__HELPERS/type2type.dm
index b962907d043..dcf304314bb 100644
--- a/code/__HELPERS/type2type.dm
+++ b/code/__HELPERS/type2type.dm
@@ -43,9 +43,9 @@
 	return num
 
 //Returns the hex value of a number given a value assumed to be a base-ten value
-/proc/num2hex(num, placeholder)
-	if(!isnum(num)) return
-	if(placeholder == null) placeholder = 2
+/proc/num2hex(num, placeholder = 2)
+	if(!isnum(num) || num < 0)
+		return
 
 	var/hex = ""
 	while(num)