diff --git a/cargo-elevator.lua b/cargo-elevator.lua
index 4e674c7..fba2027 100644
--- a/cargo-elevator.lua
+++ b/cargo-elevator.lua
@@ -9,13 +9,13 @@ local FLOORS = {
             return first_char == "A" or first_char == "W"
         end,
         detect = function ()
-            return redstone.getOutput("top")
+            return redstone.getInput("top")
         end,
         call = function ()
             redstone.setOutput("top", true)
             os.sleep(0.5)
             redstone.setOutput("top", false)
-        end
+        end,
         storage = "create:item_vault_17",
         elevator_storage = "bottom",
     },
@@ -26,14 +26,14 @@ local FLOORS = {
         end,
         detect = function ()
             local relay = "redstone_relay_21"
-            peripheral.call(relay, "getOutput", "top")
+            peripheral.call(relay, "getInput", "top")
         end,
         call = function ()
             local relay = "redstone_relay_21"
             peripheral.call(relay, "setOutput", "top", true)
             os.sleep(0.5)
             peripheral.call(relay, "setOutput", "top", false)
-        end
+        end,
         storage = "create:item_vault_18",
         elevator_storage = "create:portable_storage_interface_8",
     },
@@ -44,14 +44,14 @@ local FLOORS = {
         end,
         detect = function ()
             local relay = "redstone_relay_22"
-            peripheral.call(relay, "getOutput", "top")
+            peripheral.call(relay, "getInput", "top")
         end,
         call = function ()
             local relay = "redstone_relay_22"
             peripheral.call(relay, "setOutput", "top", true)
             os.sleep(0.5)
             peripheral.call(relay, "setOutput", "top", false)
-        end
+        end,
         storage = "create:item_vault_19",
         elevator_storage = "create:portable_storage_interface_9",
     },
@@ -62,14 +62,14 @@ local FLOORS = {
         end,
         detect = function ()
             local relay = "redstone_relay_23"
-            peripheral.call(relay, "getOutput", "top")
+            peripheral.call(relay, "getInput", "top")
         end,
         call = function ()
             local relay = "redstone_relay_23"
             peripheral.call(relay, "setOutput", "top", true)
             os.sleep(0.5)
             peripheral.call(relay, "setOutput", "top", false)
-        end
+        end,
         storage = "create:item_vault_20",
         elevator_storage = "create:portable_storage_interface_10",
     },
@@ -107,7 +107,7 @@ local PKG_QUEUE = {
                 end
             end
         end
-    end
+    end,
     transfer_all = function (self, src, dest, floors)
         -- assumption: this always transfers into the cargo box
         for slot, item in pairs(peripheral.call(src, "list")) do
@@ -134,7 +134,7 @@ local PKG_QUEUE = {
     end,
     get_next_floor = function (self)
         return table.remove(self.queue, 1)
-    end
+    end,
     queue = {},
 }
 
@@ -161,5 +161,5 @@ function run (floors, queue, first_run)
 end
 
 if arg ~= nil and arg[1] == "run" then
-    run(FLOORS, queue, true)
+    run(FLOORS, PKG_QUEUE, true)
 end