diff --git a/charmhelpers/contrib/openstack/amulet/deployment.py b/charmhelpers/contrib/openstack/amulet/deployment.py
index <HASH>..<HASH> 100644
--- a/charmhelpers/contrib/openstack/amulet/deployment.py
+++ b/charmhelpers/contrib/openstack/amulet/deployment.py
@@ -121,7 +121,7 @@ class OpenStackAmuletDeployment(AmuletDeployment):
 
         # Charms which should use the source config option
         use_source = ['mysql', 'mongodb', 'rabbitmq-server', 'ceph',
-                      'ceph-osd', 'ceph-radosgw']
+                      'ceph-osd', 'ceph-radosgw', 'ceph-mon']
 
         # Charms which can not use openstack-origin, ie. many subordinates
         no_origin = ['cinder-ceph', 'hacluster', 'neutron-openvswitch', 'nrpe',
[trivial] Add ceph-mon to the list of charms that use the source configuration option