diff --git a/install-box.sh b/install-box.sh
index 62aa029..16be67b 100644
--- a/install-box.sh
+++ b/install-box.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash -e
 
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF