diff --git a/download.sh b/download.sh
index c62f4e2..8cfed99 100644
--- a/download.sh
+++ b/download.sh
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Copyright (c) Meta Platforms, Inc. and affiliates.
 # This software may be used and distributed according to the terms of the Llama 2 Community License Agreement.