diff --git a/test/vboot/vboot_test.sh b/test/vboot/vboot_test.sh
index 3c6efa7..cc67bed 100755
--- a/test/vboot/vboot_test.sh
+++ b/test/vboot/vboot_test.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Copyright (c) 2013, Google Inc.
 #