diff --git a/itemcontroller.lua b/itemcontroller.lua
index fb81e49..111650a 100644
--- a/itemcontroller.lua
+++ b/itemcontroller.lua
@@ -71,7 +71,8 @@ end
 
 
 local accessNode = Chest:fromPeripheral("minecraft:trapped_chest", true)
-local controller = loadState(CACHE_FILE, accessNode)
+---@diagnostic disable-next-line: need-check-nil
+local controller = loadState(CACHE_FILE, accessNode:getInventory())
 local monitor = peripheral.find("monitor")
 
 local width, height = monitor.getSize()