diff --git a/classes/cluster/virtual-mcp05-ovs/openstack/init.yml b/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
index a557f04..e948cfe 100644
--- a/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
+++ b/classes/cluster/virtual-mcp05-ovs/openstack/init.yml
@@ -83,6 +83,7 @@
     mongodb_shared_key: eoTh1AwahlahqueingeejooLughah4tei9feing0eeVaephooDi2li1TaeV1ooth
   linux:
     network:
+      purge_hosts: true
       host:
         prx:
           address: ${_param:openstack_proxy_address}