diff --git a/deploy/create_poni_config.sh b/deploy/create_poni_config.sh
index 5c4087a..d313973 100755
--- a/deploy/create_poni_config.sh
+++ b/deploy/create_poni_config.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -eu
 
 if [ -z "$PONI_ROOT" ]
 then
diff --git a/deploy/deploy.sh b/deploy/deploy.sh
index 2d5c7bd..3ed9b66 100755
--- a/deploy/deploy.sh
+++ b/deploy/deploy.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/sh -eu
 
 if [ -z "$PONI_ROOT" ]
 then