diff --git a/scripts/openstack-ansible.rc b/scripts/openstack-ansible.rc
index 1b4f809649..f08e7761f6 100644
--- a/scripts/openstack-ansible.rc
+++ b/scripts/openstack-ansible.rc
@@ -60,3 +60,5 @@ export ANSIBLE_CONNECTION_PLUGINS="${ANSIBLE_CONNECTION_PLUGINS:-/etc/ansible/ro
 
 export ANSIBLE_FORCE_HANDLERS="${ANSIBLE_FORCE_HANDLERS:-True}"
 export ANSIBLE_PYTHON_INTERPRETER="${ANSIBLE_PYTHON_INTERPRETER:-OSA_ANSIBLE_PYTHON_INTERPRETER}"
+
+export ANSIBLE_TRANSFORM_INVALID_GROUP_CHARS="${ANSIBLE_TRANSFORM_INVALID_GROUP_CHARS:-ignore}"