diff --git a/metadata/service/tempest/init.yml b/metadata/service/tempest/init.yml
index 793557a..780c61f 100644
--- a/metadata/service/tempest/init.yml
+++ b/metadata/service/tempest/init.yml
@@ -22,6 +22,7 @@
       keystone_profile_admin: admin_identity
       convert_to_uuid:
         image_name: ${glance:client:identity:admin_identity:image:cirros:name}
+        flavor_name: 'm1.extra_tiny_test'
       heat_plugin:
         skip_scenario_test_list: ${_param:runtest_heat_plugin_skip_scenario_test_list}
         skip_functional_test_list: ${_param:runtest_heat_plugin_skip_functional_test_list}