diff --git a/photoboite.py b/photoboite.py
index 48d96b5..0c8a4f7 100755
--- a/photoboite.py
+++ b/photoboite.py
@@ -155,7 +155,7 @@ class PowerButton(Button):
             self.timestamp = time.time()
 
         if self.count >= 5:
-            print('POWEROFF')
+            os.system('sudo poweroff')
 
 class CaptureButton(Button):
     countdown = 3