diff --git a/photobooth.py b/photobooth.py
index 49a0253..bcaffb7 100755
--- a/photobooth.py
+++ b/photobooth.py
@@ -405,6 +405,7 @@ def setup_gpio():
         GPIO.setmode(GPIO.BCM)
         # Setup the trigger channel as input and listen for events
         GPIO.setup(gpio_trigger_channel, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+        GPIO.setup(gpio_shutdown_channel, GPIO.IN, pull_up_down=GPIO.PUD_UP)
         GPIO.add_event_detect(gpio_trigger_channel, GPIO.RISING, callback=handle_gpio, bouncetime=200)
     else:
         print("Warning: RPi.GPIO could not be loaded. GPIO disabled.")