diff --git a/controller/Controller.lua b/controller/Controller.lua
index 518df22..44a8ba1 100644
--- a/controller/Controller.lua
+++ b/controller/Controller.lua
@@ -95,7 +95,7 @@ function Controller:autoWood()
             self:updateDisplay(4)
             self:doAction(self.slaveID, "cutTree")
             self.turtleStatus = "planting tree"
-            self:updateFuelLevel
+            self:updateFuelLevel()
             self:updateDisplay(4)
             self:doAction(self.slaveID, "plantTree")
         end