diff --git a/ansible/roles/sahara/tasks/register.yml b/ansible/roles/sahara/tasks/register.yml
index 2dcde8228f..2aba0ac330 100644
--- a/ansible/roles/sahara/tasks/register.yml
+++ b/ansible/roles/sahara/tasks/register.yml
@@ -4,7 +4,7 @@
     module_name: "kolla_keystone_service"
     module_args:
       service_name: "sahara"
-      service_type: "data_processing"
+      service_type: "data-processing"
       description: "Sahara Data Processing"
       endpoint_region: "{{ openstack_region_name }}"
       url: "{{ item.url }}"