diff --git a/planetstack/openstack_observer/run_ansible b/planetstack/openstack_observer/run_ansible
index 5fab9df..224a6d7 100644
--- a/planetstack/openstack_observer/run_ansible
+++ b/planetstack/openstack_observer/run_ansible
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 source /opt/ansible/hacking/env-setup
 ansible-playbook -v $@