diff --git a/modules/item_transfer/exporter.lua b/modules/item_transfer/exporter.lua
index 4f0dbe7..9ff0801 100644
--- a/modules/item_transfer/exporter.lua
+++ b/modules/item_transfer/exporter.lua
@@ -52,15 +52,15 @@ item_transfer.register_io_device("exporter", {
 	connect_sides = { "left" },
 	recipe = {
 		{ 1, {
-        {"", "basic_materials:ic", iron_ingot_ingredient },
+        {"", "basic_materials:ic", microexpansion.iron_ingot_ingredient },
         {"", "microexpansion:cable", "group:shovel" },
-        {"", "", iron_ingot_ingredient },
+        {"", "", microexpansion.iron_ingot_ingredient },
       },
     },
     { 1, {
-        {"", "microexpansion:logic_chip", iron_ingot_ingredient },
+        {"", "microexpansion:logic_chip", microexpansion.iron_ingot_ingredient },
         {"", "microexpansion:cable", "group:shovel" },
-        {"", "", iron_ingot_ingredient },
+        {"", "", microexpansion.iron_ingot_ingredient },
       },
     }
   },
diff --git a/modules/item_transfer/importer.lua b/modules/item_transfer/importer.lua
index b1352e5..f91a462 100644
--- a/modules/item_transfer/importer.lua
+++ b/modules/item_transfer/importer.lua
@@ -59,15 +59,15 @@ item_transfer.register_io_device("importer", {
 	connect_sides = { "left" },
 	recipe = {
 		{ 1, {
-        {"", "basic_materials:ic", iron_ingot_ingredient },
+        {"", "basic_materials:ic", microexpansion.iron_ingot_ingredient },
         {"", "microexpansion:cable", "group:hoe" },
-        {"", "", iron_ingot_ingredient },
+        {"", "", microexpansion.iron_ingot_ingredient },
       },
     },
     { 1, {
-        {"", "microexpansion:logic_chip", iron_ingot_ingredient },
+        {"", "microexpansion:logic_chip", microexpansion.iron_ingot_ingredient },
         {"", "microexpansion:cable", "group:hoe" },
-        {"", "", iron_ingot_ingredient },
+        {"", "", microexpansion.iron_ingot_ingredient },
       },
     }
   },
diff --git a/modules/item_transfer/init.lua b/modules/item_transfer/init.lua
index 0006bc1..4f0a914 100644
--- a/modules/item_transfer/init.lua
+++ b/modules/item_transfer/init.lua
@@ -6,11 +6,11 @@ microexpansion.require_module("network")
 
 
 -- Iron Ingot Ingredient for MineClone2
-iron_ingot_ingredient = nil
+microexpansion.iron_ingot_ingredient = nil
 if minetest.get_modpath("mcl_core") then
-	iron_ingot_ingredient = "mcl_core:iron_ingot"
+	microexpansion.iron_ingot_ingredient = "mcl_core:iron_ingot"
 else
-	iron_ingot_ingredient = "default:steel_ingot"
+	microexpansion.iron_ingot_ingredient = "default:steel_ingot"
 end
 
 -- Load API
diff --git a/modules/item_transfer/upgrades.lua b/modules/item_transfer/upgrades.lua
index 72da6d4..33587b5 100644
--- a/modules/item_transfer/upgrades.lua
+++ b/modules/item_transfer/upgrades.lua
@@ -11,7 +11,7 @@ me.register_item("upgrade_base", {
 	recipe = {
 		{ 1, {
 				{ "microexpansion:quartz_crystal" },
-				{ iron_ingot_ingredient },
+				{ microexpansion.iron_ingot_ingredient },
 			},
 		},
 	},