diff --git a/main.py b/main.py
index cfd27c6..69f768a 100644
--- a/main.py
+++ b/main.py
@@ -83,7 +83,7 @@ def change_idle_mode(channel):
         idle_mode = f.readline()
     print('Change Idle-Mode: '+idle_mode)
 
-def power_toggle():
+def power_toggle(channel):
     if led_power == True:
         return False
     else: