diff --git a/skeletonFarm.lua b/skeletonFarm.lua
index 3f50744..8edddcf 100644
--- a/skeletonFarm.lua
+++ b/skeletonFarm.lua
@@ -1,5 +1,6 @@
 local robot = require("robot")
 local component = require("component")
+local shell = require("shell")
 local magnet = component.tractor_beam
 local inv = component.inventory_controller