diff --git a/inventory/group_vars/horizon_all.yml b/inventory/group_vars/horizon_all.yml
index 018ef82b80..df91cfe3bf 100644
--- a/inventory/group_vars/horizon_all.yml
+++ b/inventory/group_vars/horizon_all.yml
@@ -16,11 +16,14 @@
 horizon_external_ssl: "{{ openstack_external_ssl }}"
 horizon_service_region: "{{ service_region }}"
 horizon_enable_cinder_backup: "{{ hostvars['localhost']['cinder_service_backup_program_enabled'] }}"
+horizon_enable_blazar_ui: "{{ (groups['blazar_all'] is defined) and (groups['blazar_all'] | length > 0) }}"
 horizon_enable_heat_ui: "{{ (groups['heat_all'] is defined) and (groups['heat_all'] | length > 0) }}"
 horizon_enable_ironic_ui: "{{ (groups['ironic_all'] is defined) and (groups['ironic_all'] | length > 0) }}"
 horizon_enable_magnum_ui: "{{ (groups['magnum_all'] is defined) and (groups['magnum_all'] | length > 0) }}"
 horizon_enable_manila_ui: "{{ (groups['manila_all'] is defined) and (groups['manila_all'] | length > 0) }}"
 horizon_enable_masakari_ui: "{{ (groups['masakari_all'] is defined) and (groups['masakari_all'] | length > 0) }}"
+horizon_enable_mistral_ui: "{{ (groups['mistral_all'] is defined) and (groups['mistral_all'] | length > 0) }}"
+horizon_enable_murano_ui: "{{ (groups['murano_all'] is defined) and (groups['murano_all'] | length > 0) }}"
 horizon_enable_designate_ui: "{{ (groups['designate_all'] is defined) and (groups['designate_all'] | length > 0) }}"
 horizon_enable_octavia_ui: "{{ (groups['octavia-infra_all'] is defined) and (groups['octavia-infra_all'] | length > 0) }}"
 horizon_enable_neutron_fwaas: "{{ neutron_plugin_base is defined and (neutron_plugin_base | intersect(['firewall', 'firewall_v2']) | length > 0) }}"