diff --git a/kai/woodfarm.lua b/kai/woodfarm.lua
index 2284570..a4993c4 100644
--- a/kai/woodfarm.lua
+++ b/kai/woodfarm.lua
@@ -140,7 +140,7 @@ local state_machine = {
     ["ASCEND_TREE"] = function()
         local success, data = turtle.inspectUp()
         print("inspect", success, data)
-        if not s and T.state.y < TREE_MAX_Y - 1 then
+        if not success and T.state.y < TREE_MAX_Y - 1 then
             -- probably reset after chopping a block
             T.up()
         end
@@ -148,7 +148,7 @@ local state_machine = {
         while true do
             local success, data = turtle.inspectUp()
             print("inspect", success, data)
-            if not s or data.name ~= LOG_NAME then
+            if not success or data.name ~= LOG_NAME then
                 print("chopped all the wood")
                 -- chopped all the wood
                 break
@@ -177,7 +177,7 @@ local state_machine = {
             turtle.transferTo(SAP_SLOT)
             turtle.select(SAP_SLOT)
         end
-
+        turtle.placeDown()
 
         if T.state.current_tree < MAX_TREE then
             -- go to the next tree in this row