diff --git a/cinder/api/contrib/hosts.py b/cinder/api/contrib/hosts.py
index cf11395330e..69e8070e79c 100644
--- a/cinder/api/contrib/hosts.py
+++ b/cinder/api/contrib/hosts.py
@@ -138,7 +138,7 @@ def wrapped(self, req, id, service=None, *args, **kwargs):
     return wrapped
 
 
-class HostController(object):
+class HostController(wsgi.Controller):
     """The Hosts API controller for the OpenStack API."""
     def __init__(self):
         self.api = volume_api.HostAPI()
diff --git a/cinder/api/contrib/services.py b/cinder/api/contrib/services.py
index a72ae30475e..d242e520998 100644
--- a/cinder/api/contrib/services.py
+++ b/cinder/api/contrib/services.py
@@ -65,7 +65,7 @@ def construct(self):
         return xmlutil.MasterTemplate(root, 1)
 
 
-class ServiceController(object):
+class ServiceController(wsgi.Controller):
     @wsgi.serializers(xml=ServicesIndexTemplate)
     def index(self, req):
         """Return a list of all running services.
diff --git a/cinder/api/v1/limits.py b/cinder/api/v1/limits.py
index aeac101ed13..de70243f985 100644
--- a/cinder/api/v1/limits.py
+++ b/cinder/api/v1/limits.py
@@ -75,7 +75,7 @@ def construct(self):
         return xmlutil.MasterTemplate(root, 1, nsmap=limits_nsmap)
 
 
-class LimitsController(object):
+class LimitsController(wsgi.Controller):
     """Controller for accessing limits in the OpenStack API."""
 
     @wsgi.serializers(xml=LimitsTemplate)
diff --git a/cinder/api/v1/snapshot_metadata.py b/cinder/api/v1/snapshot_metadata.py
index c009fbba14c..87997aec413 100644
--- a/cinder/api/v1/snapshot_metadata.py
+++ b/cinder/api/v1/snapshot_metadata.py
@@ -24,7 +24,7 @@
 from webob import exc
 
 
-class Controller(object):
+class Controller(wsgi.Controller):
     """The volume metadata API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/cinder/api/v1/volume_metadata.py b/cinder/api/v1/volume_metadata.py
index 3e196d1147b..141bbba731f 100644
--- a/cinder/api/v1/volume_metadata.py
+++ b/cinder/api/v1/volume_metadata.py
@@ -24,7 +24,7 @@
 from webob import exc
 
 
-class Controller(object):
+class Controller(wsgi.Controller):
     """The volume metadata API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/cinder/api/v2/limits.py b/cinder/api/v2/limits.py
index face1038dbc..d8f17d424ac 100644
--- a/cinder/api/v2/limits.py
+++ b/cinder/api/v2/limits.py
@@ -74,7 +74,7 @@ def construct(self):
         return xmlutil.MasterTemplate(root, 1, nsmap=limits_nsmap)
 
 
-class LimitsController(object):
+class LimitsController(wsgi.Controller):
     """Controller for accessing limits in the OpenStack API."""
 
     @wsgi.serializers(xml=LimitsTemplate)
diff --git a/cinder/api/v2/snapshot_metadata.py b/cinder/api/v2/snapshot_metadata.py
index c009fbba14c..87997aec413 100644
--- a/cinder/api/v2/snapshot_metadata.py
+++ b/cinder/api/v2/snapshot_metadata.py
@@ -24,7 +24,7 @@
 from webob import exc
 
 
-class Controller(object):
+class Controller(wsgi.Controller):
     """The volume metadata API controller for the OpenStack API."""
 
     def __init__(self):
diff --git a/cinder/api/v2/volume_metadata.py b/cinder/api/v2/volume_metadata.py
index b9449da0c81..cf8ef548b7f 100644
--- a/cinder/api/v2/volume_metadata.py
+++ b/cinder/api/v2/volume_metadata.py
@@ -23,7 +23,7 @@
 from cinder import volume
 
 
-class Controller(object):
+class Controller(wsgi.Controller):
     """The volume metadata API controller for the OpenStack API."""
 
     def __init__(self):