diff --git a/lib/neutron_plugins/services/firewall b/lib/neutron_plugins/services/firewall
index 61a148e..3496da8 100644
--- a/lib/neutron_plugins/services/firewall
+++ b/lib/neutron_plugins/services/firewall
@@ -1,3 +1,5 @@
+#!/bin/bash
+
 # Neutron firewall plugin
 # ---------------------------