diff --git a/src/main.lua b/src/main.lua
index 115c91b..e7d78ad 100644
--- a/src/main.lua
+++ b/src/main.lua
@@ -256,7 +256,7 @@ local function place(direction)
     while true do
         local suc = func()
         if not suc then -- next slot
-            if cfunc() and turtle.getItemDetail(turtle.getSelectedSlot())["name"] ~= "minecraft:air" then return end
+            if cfunc() and turtle.getItemDetail(turtle.getSelectedSlot()) ~= nil then return end
             local current = turtle.getSelectedSlot()
             if current == 16 then
                 turtle.select(1)