diff --git a/hello.sh b/hello.sh
index 48be78a..55157e9 100644
--- a/hello.sh
+++ b/hello.sh
@@ -1,5 +1,8 @@
 #! /bin/bash
 
+set -euo pipefail
+IFS=$'\n\t'
+
 name=$1
 
 echo hello $name