From 44bbbc0ce877b0942da244fd9de3c9ae0625b964 Mon Sep 17 00:00:00 2001
From: Kashargul <144968721+Kashargul@users.noreply.github.com>
Date: Tue, 30 Jul 2024 00:31:20 +0200
Subject: [PATCH] do not touch the main ref!

---
 code/modules/xenoarcheaology/effect_master.dm | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/code/modules/xenoarcheaology/effect_master.dm b/code/modules/xenoarcheaology/effect_master.dm
index 97696b637da..76b629a6eb8 100644
--- a/code/modules/xenoarcheaology/effect_master.dm
+++ b/code/modules/xenoarcheaology/effect_master.dm
@@ -11,11 +11,15 @@
 		AddComponent(/datum/component/artifact_master)
 		if(istype(src, /obj/item))
 			var/obj/item/I = src
-			LAZYINITLIST(I.origin_tech)
-			if(prob(50))
-				I.origin_tech[TECH_PRECURSOR] += 1
+			var/list/new_tech
+			if(I.origin_tech)
+				new_tech = origin_tech.Copy()
 			else
-				I.origin_tech[TECH_ARCANE] += 1
+				new_tech = list()
+			if(prob(50))
+				new_tech[TECH_PRECURSOR] += 1
+			else
+				new_tech[TECH_ARCANE] += 1
 			var/rand_tech = pick(\
 				TECH_MATERIAL,\
 				TECH_ENGINEERING,\
@@ -28,7 +32,8 @@
 				TECH_DATA,\
 				TECH_ILLEGAL\
 				)
-			LAZYSET(I.origin_tech, rand_tech, rand(4,7))
+			LAZYSET(new_tech, rand_tech, rand(4,7))
+			I.origin_tech = new_tech
 
 /datum/component/artifact_master
 	var/atom/holder