diff --git a/controller/Controller.lua b/controller/Controller.lua
index 44a8ba1..43a9cf9 100644
--- a/controller/Controller.lua
+++ b/controller/Controller.lua
@@ -104,7 +104,7 @@ end
 
 function Controller:updateFuelLevel()
     self.turtleStatus = "checking tree"
-    local s, fuelLevel = self:doAction("getFuelLevel")
+    local s, fuelLevel = self:doAction(self.slaveId, "getFuelLevel")
     if(s == true) then
         self.turtleFuelLevel = fuelLevel
     end