diff --git a/minetest.lua b/minetest.lua
index 8f76b2f..1404c28 100644
--- a/minetest.lua
+++ b/minetest.lua
@@ -687,7 +687,9 @@ function colorspec:to_number()
     return self.r * 0xFFFFFF + self.g * 0xFFFF + self.b * 0xFF + self.a
 end
 
-colorspec_to_colorstring = rawget(_G, "minetest").colorspec_to_colorstring or function(spec)
+colorspec_to_colorstring = _G.minetest.colorspec_to_colorstring or function(spec)
     return colorspec.from_any(spec):to_string()
 end
 
+write_schematic = function(fil) end
+-- TODO schematic format
\ No newline at end of file