diff --git a/airutils_repair.lua b/airutils_repair.lua
index ee6f06e..c5a6885 100644
--- a/airutils_repair.lua
+++ b/airutils_repair.lua
@@ -1,12 +1,12 @@
 local S = airutils.S
 
 -- trike repair
-minetest.register_craftitem("airutils:repair_tool",{
+core.register_craftitem("airutils:repair_tool",{
 	description = S("Repair Tool"),
 	inventory_image = "airutils_repair_tool.png",
 })
 
-minetest.register_craft({
+core.register_craft({
     output = "airutils:repair_tool",
     recipe = {
 	    {"", "default:steel_ingot", ""},
@@ -14,4 +14,3 @@ minetest.register_craft({
 	    {"default:steel_ingot", "", "default:steel_ingot"},
     },
 })
-