diff --git a/nova/servicegroup/api.py b/nova/servicegroup/api.py
index b9653e1e25a7..ebd0ee6ac5a3 100644
--- a/nova/servicegroup/api.py
+++ b/nova/servicegroup/api.py
@@ -39,7 +39,9 @@ CONF.register_opt(servicegroup_driver_opt)
 class API(object):
 
     _driver = None
-    _driver_name_class_mapping = {"db": "nova.servicegroup.db_driver.DbDriver"}
+    _driver_name_class_mapping = {
+        'db': 'nova.servicegroup.drivers.db.DbDriver'
+    }
 
     @lockutils.synchronized('nova.servicegroup.api.new', 'nova-')
     def __new__(cls, *args, **kwargs):
diff --git a/nova/servicegroup/drivers/__init__.py b/nova/servicegroup/drivers/__init__.py
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/nova/servicegroup/db_driver.py b/nova/servicegroup/drivers/db.py
similarity index 100%
rename from nova/servicegroup/db_driver.py
rename to nova/servicegroup/drivers/db.py