diff --git a/mods/xdecor/nodes.lua b/mods/xdecor/nodes.lua
index 8b47008..564fbf9 100644
--- a/mods/xdecor/nodes.lua
+++ b/mods/xdecor/nodes.lua
@@ -257,7 +257,8 @@ for name, recipe in pairs(xdecor_doors) do
 		groups = {choppy=2, cracky=2, oddly_breakable_by_hand=1, door=1},
 		recipe = recipe
 	})
-
+	
+	--IMPORTANT don't delete this alias. (crabman 26/08/2016)
 	minetest.register_alias("xdecor:"..name.."_door", "doors:"..name.."_door")
 	minetest.register_alias("xdecor:"..name.."_door_t_1", "doors:hidden")
 	minetest.register_alias("xdecor:"..name.."_door_t_2", "doors:hidden")