diff --git a/group_vars/all/ceph.yml b/group_vars/all/ceph.yml
index 4a3dc9264c..0ce8a71331 100644
--- a/group_vars/all/ceph.yml
+++ b/group_vars/all/ceph.yml
@@ -30,3 +30,9 @@ fetch_directory: /etc/openstack_deploy/ceph-fetch/
 # exists. we handle the log dir creation so this is not something we need
 # ceph-common to prepare for us.
 rbd_client_directories: false
+
+# The OSA ceph_client role does not support loading IPs from an inventory group,
+# so we have to feed it a list of IPs
+ceph_mons: "{{ groups[mon_group_name]
+               | map('extract', hostvars, 'ansible_host')
+               | list }}"
diff --git a/tests/roles/bootstrap-host/tasks/prepare_ceph.yml b/tests/roles/bootstrap-host/tasks/prepare_ceph.yml
index cb2623b63c..efaba66b61 100644
--- a/tests/roles/bootstrap-host/tasks/prepare_ceph.yml
+++ b/tests/roles/bootstrap-host/tasks/prepare_ceph.yml
@@ -54,9 +54,6 @@
     content: |
       ---
       devices: {{ ceph_create_loopback.results | map(attribute='stdout') | list | to_yaml | trim }}
-      # The OSA ceph_client role does not support loading IPs from an inventory group,
-      # so we have to feed it a list of IPs
-      ceph_mons: "{% raw %}[ {% for host in groups[mon_group_name] %}'{{ hostvars[host]['ansible_host'] }}'{% if not loop.last %},{% endif %}{% endfor %} ]{% endraw %}"
       cinder_backends:
         "RBD":
           volume_driver: cinder.volume.drivers.rbd.RBDDriver