diff --git a/ansible/roles/horizon/tasks/start.yml b/ansible/roles/horizon/tasks/start.yml
index ec0d0ce321..e6a1b8e84e 100644
--- a/ansible/roles/horizon/tasks/start.yml
+++ b/ansible/roles/horizon/tasks/start.yml
@@ -12,6 +12,7 @@
       ENABLE_MANILA: "{{ 'yes' if  enable_manila | bool else 'no' }}"
       ENABLE_NEUTRON_LBAAS: "{{ 'yes' if  enable_neutron_lbaas | bool else 'no' }}"
       ENABLE_SAHARA: "{{ 'yes' if enable_sahara | bool else 'no' }}"
+      ENABLE_SEARCHLIGHT: "{{ 'yes' if enable_searchlight | bool else 'no' }}"
       ENABLE_SENLIN: "{{ 'yes' if enable_senlin | bool else 'no' }}"
       ENABLE_TROVE: "{{ 'yes' if enable_trove | bool else 'no' }}"
     volumes: