diff --git a/Applications/CodeDoor/CodeDoor.lua b/Applications/CodeDoor/CodeDoor.lua
index 12fa7351..2b447644 100644
--- a/Applications/CodeDoor/CodeDoor.lua
+++ b/Applications/CodeDoor/CodeDoor.lua
@@ -1,4 +1,6 @@
 local rs
+local component = require("component")
+local gpu = component.gpu
 local ecs = require("ECSAPI")
 local sides = require("sides")
 local event = require("event")