diff --git a/plugin.sh b/plugin.sh
index 603aa20..c4b21b5 100755
--- a/plugin.sh
+++ b/plugin.sh
@@ -1,4 +1,6 @@
-#!/bin/sh
+#!/bin/bash
+
+set -e
 
 PLUGIN_COMPOSE=${PLUGIN_COMPOSE:-compose.yml}
 PLUGIN_HOST=${PLUGIN_HOST:-swarm.autonomic.zone}