From 18213bde2a6fbd4a6125554d6ae92079a5d87baf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20N=C3=BCcke?= <florian@nuecke.de>
Date: Mon, 4 Aug 2014 23:55:23 +0200
Subject: [PATCH] Fixed setmetatable(t, nil), closes #464.

---
 src/main/resources/assets/opencomputers/lua/kernel.lua | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/resources/assets/opencomputers/lua/kernel.lua b/src/main/resources/assets/opencomputers/lua/kernel.lua
index 2b7052cb3..bd93700ea 100644
--- a/src/main/resources/assets/opencomputers/lua/kernel.lua
+++ b/src/main/resources/assets/opencomputers/lua/kernel.lua
@@ -78,6 +78,9 @@ sandbox = {
   rawset = rawset,
   select = select,
   setmetatable = function(t, mt)
+    if type(mt) ~= "table" then
+      return setmetatable(t, mt)
+    end
     local gc = rawget(mt, "__gc")
     if type(gc) == "function" then
       -- For all user __gc functions we enforce a much tighter deadline.