diff --git a/ansible/group_vars/all.yml b/ansible/group_vars/all.yml
index 8ec048c2df..906277b2d3 100644
--- a/ansible/group_vars/all.yml
+++ b/ansible/group_vars/all.yml
@@ -50,7 +50,7 @@ kolla_dev_repos_directory: "/opt/stack/"
 kolla_dev_repos_git: "https://opendev.org/openstack"
 kolla_dev_repos_pull: "no"
 kolla_dev_mode: "no"
-kolla_source_version: "{{ openstack_release }}"
+kolla_source_version: "{% if openstack_release == 'master' %}master{% else %}stable/{{ openstack_release }}{% endif %}"
 
 # Proxy settings for containers such as magnum that need internet access
 container_http_proxy: ""