diff --git a/xos/openstack_observer/steps/sync_controller_slices.py b/xos/openstack_observer/steps/sync_controller_slices.py
index f64f9a8..1a6f517 100644
--- a/xos/openstack_observer/steps/sync_controller_slices.py
+++ b/xos/openstack_observer/steps/sync_controller_slices.py
@@ -40,7 +40,7 @@
             raise Exception("slice createor %s has not accout at controller %s" % (controller_slice.slice.creator, controller_slice.controller.name))
         else:
             controller_user = controller_users[0]
-            roles = ['Admin']
+            roles = ['admin']
 
         max_instances=int(controller_slice.slice.max_slivers)
         tenant_fields = {'endpoint':controller_slice.controller.auth_url,