diff --git a/main.py b/main.py
index cff98ae..06d4679 100644
--- a/main.py
+++ b/main.py
@@ -95,7 +95,7 @@ if __name__ == '__main__':
     GPIO.setmode(GPIO.BOARD)
     GPIO.setup(13, GPIO.IN, pull_up_down=GPIO.PUD_UP)
     GPIO.setup(19, GPIO.IN, pull_up_down=GPIO.PUD_UP)
-    GPIO.add_event_detect(13, GPIO.RISING, callback=power_toggle(), bouncetime=300)
+    GPIO.add_event_detect(13, GPIO.RISING, callback=power_toggle, bouncetime=300)
     GPIO.add_event_detect(19, GPIO.RISING, callback=change_idle_mode, bouncetime=300) 
 
     try: