diff --git a/jenkins.sh b/jenkins.sh
index da0dd65..96db063 100755
--- a/jenkins.sh
+++ b/jenkins.sh
@@ -1,5 +1,7 @@
 #! /bin/bash
 
+set -e
+
 # Copy files from /usr/share/jenkins/ref into /var/jenkins_home
 # So the initial JENKINS-HOME is set with expected content. 
 # Don't override, as this is just a reference setup, and use from UI