diff --git a/script/startup.py b/script/startup.py
index 8884eae1..e3de5794 100644
--- a/script/startup.py
+++ b/script/startup.py
@@ -304,7 +304,7 @@ def startBackgroudTask(script, interval):
     controller.taskManager.create(script,interval_ms)
     controller.taskManager.start(script)
 
-def stopBackgroudTask(script, interval):
+def stopBackgroudTask(script):
     controller.taskManager.remove(script)
 
 execfile(controller.setup.getScriptPath()+"/local.py")
\ No newline at end of file