From 7f3e5bda7e3e612414d545ce98ba1dec4b4b442a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elias=20=C3=85str=C3=B6m?= <ryvnf@riseup.net>
Date: Fri, 23 Apr 2021 15:49:37 +0200
Subject: [PATCH] Duplicate groupcaps before applying unbreaking

---
 mods/ITEMS/mcl_enchanting/groupcaps.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mods/ITEMS/mcl_enchanting/groupcaps.lua b/mods/ITEMS/mcl_enchanting/groupcaps.lua
index 0bc1b8e245..a445b73f21 100644
--- a/mods/ITEMS/mcl_enchanting/groupcaps.lua
+++ b/mods/ITEMS/mcl_enchanting/groupcaps.lua
@@ -61,7 +61,7 @@ function mcl_enchanting.update_groupcaps(itemstack)
 
 	if not hash or hash ~= groupcaps.hash then
 		local tool_capabilities = itemstack:get_tool_capabilities()
-		tool_capabilities.groupcaps = groupcaps.values
+		tool_capabilities.groupcaps = table.copy(groupcaps.values)
 
 		-- Increase the number of uses depending on the unbreaking level
 		-- of the tool.