diff --git a/deploy-cluster-aws/make_confiles.sh b/deploy-cluster-aws/make_confiles.sh
index 72735cb3..35f1f0e6 100755
--- a/deploy-cluster-aws/make_confiles.sh
+++ b/deploy-cluster-aws/make_confiles.sh
@@ -1,8 +1,6 @@
 #! /bin/bash
 
-# The set -e option instructs bash to immediately exit
-# if any command has a non-zero exit status
-set -e
+set -euo pipefail
 
 function printErr()
     {