diff --git a/download.sh b/download.sh
old mode 100644
new mode 100755
index fd990c5..8625963
--- a/download.sh
+++ b/download.sh
@@ -3,6 +3,8 @@
 # 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.
 
+set -e
+
 read -p "Enter the URL from email: " PRESIGNED_URL
 echo ""
 read -p "Enter the list of models to download without spaces (7B,13B,70B,7B-chat,13B-chat,70B-chat), or press Enter for all: " MODEL_SIZE