diff --git a/entity/turtle.lua b/entity/turtle.lua
index 16948fd..143c144 100644
--- a/entity/turtle.lua
+++ b/entity/turtle.lua
@@ -206,9 +206,9 @@ function TurtleEntity:build(nodeLocation, turtleslot)
     if node.name~="air" then return false end
 
     --Build and consume item
-    local stack = self:getTurtleslot("main", turtleslot)
+    local stack = self:getTurtleslot(turtleslot)
     if stack:is_empty() then return false end
-    local newstack, position_placed = minetest.item_place_node(stack, nil, { type="node", under=nodeLocation, above=self:get_pos()})
+    local newstack, position_placed = minetest.item_place_node(stack, nil, { type="node", under=nodeLocation, above=self.object:get_pos()})
     self.inv:set_stack("main", turtleslot,newstack)
 
     if position_placed == nil then
@@ -652,4 +652,4 @@ function TurtleEntity:dump(object) return dump(object) end
 --    MAIN TURTLE INTERFACE END---------------------------------------
 --    MAIN TURTLE INTERFACE END---------------------------------------
 
-minetest.register_entity("computertest:turtle", TurtleEntity)
\ No newline at end of file
+minetest.register_entity("computertest:turtle", TurtleEntity)