diff --git a/mods/lzr_editor/init.lua b/mods/lzr_editor/init.lua
index 3512090..71c71bc 100644
--- a/mods/lzr_editor/init.lua
+++ b/mods/lzr_editor/init.lua
@@ -77,7 +77,8 @@ minetest.register_chatcommand("editor_save", {
 		local level_name = "level_custom_"..num
 		minetest.mkdir(minetest.get_worldpath().."/levels")
 		local filename = minetest.get_worldpath().."/levels/"..level_name..".mts"
-		local ok = minetest.create_schematic(lzr_globals.LEVEL_POS, vector.add(lzr_globals.LEVEL_POS, level_size), {}, filename, {})
+		local size = vector.subtract(level_size, vector.new(1, 1, 1))
+		local ok = minetest.create_schematic(lzr_globals.LEVEL_POS, vector.add(lzr_globals.LEVEL_POS, size), {}, filename, {})
 		if ok then
 			minetest.log("action", "[lzr_editor] Level written to "..filename)
 			return true, S("Level saved to @1.", filename)