diff --git a/led.c b/led.c
index 417135f..fbb7270 100644
--- a/led.c
+++ b/led.c
@@ -100,4 +100,5 @@ void turnOnDigit(int digitPosition, int value)
 void shutDown(int p)
 {
     clear_pin(LED_ALL);
+    exit(0);
 }