diff --git a/grid_main.py b/grid_main.py
index a6eeb47..716041f 100644
--- a/grid_main.py
+++ b/grid_main.py
@@ -72,7 +72,7 @@ def main():
             GPIO.output(LED1_pin, GPIO.LOW)
             GPIO.output(LED2_pin, GPIO.LOW)
             print('shut down')
-            os.system("shutdown /s /t 1");
+            os.system('sudo shutdown 0')
             quit()