diff --git a/roles/install_yamls/tasks/main.yml b/roles/install_yamls/tasks/main.yml
index fc90ce7a2d..3c8ceb83da 100644
--- a/roles/install_yamls/tasks/main.yml
+++ b/roles/install_yamls/tasks/main.yml
@@ -50,7 +50,7 @@
           'OUT': cifmw_install_yamls_manifests_dir,
           'OUTPUT_DIR': cifmw_install_yamls_edpm_dir,
           'CHECKOUT_FROM_OPENSTACK_REF': cifmw_install_yamls_checkout_openstack_ref,
-          'OPENSTACK_K8S_BRANCH': (zuul is defined and zuul.branch != 'master') | ternary(zuul.branch, 'main')
+          'OPENSTACK_K8S_BRANCH': (zuul is defined and not zuul.branch |regex_search('master|rhos')) | ternary(zuul.branch, 'main')
         }) |
         combine(install_yamls_operators_repos)
       }}