diff --git a/plugin.sh b/plugin.sh
index 83efc43..2c7cf6c 100755
--- a/plugin.sh
+++ b/plugin.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 set -e
+set -o pipefail
 
 PLUGIN_SOURCE=${PLUGIN_SOURCE:-.}
 PLUGIN_HOST=${PLUGIN_HOST:-swarm.autonomic.zone}