diff --git a/fixtures/base.py b/fixtures/base.py
index d1434dd..ed00d80 100644
--- a/fixtures/base.py
+++ b/fixtures/base.py
@@ -115,8 +115,10 @@
     # create alt project with regular admin user
     tmp_os_actions = os_client.OSCliActions(openstack_clients)
     alt_project = tmp_os_actions.create_project()
-    tmp_os_actions.add_roles_to_user_in_project(alt_project.id)
-
+    tmp_os_actions.add_roles_to_user_in_project(
+        alt_project.id, username=os.environ['OS_USERNAME'],
+        domain=os.environ['OS_PROJECT_DOMAIN_NAME']
+    )
     # create a client using alt project with admin user in it
     return os_client.OfficialClientManager(
         username=os.environ['OS_USERNAME'],