diff --git a/cinderclient/tests/unit/v2/fakes.py b/cinderclient/tests/unit/v2/fakes.py
index a4c5d39cb..bf36f24ca 100644
--- a/cinderclient/tests/unit/v2/fakes.py
+++ b/cinderclient/tests/unit/v2/fakes.py
@@ -677,10 +677,8 @@ class FakeHTTPClient(base_client.HTTPClient):
 
     def put_os_quota_class_sets_test(self, body, **kw):
         assert list(body) == ['quota_class_set']
-        fakes.assert_has_keys(body['quota_class_set'],
-                              required=['class_name'])
+        fakes.assert_has_keys(body['quota_class_set'])
         return (200, {}, {'quota_class_set': {
-                          'class_name': 'test',
                           'volumes': 2,
                           'snapshots': 2,
                           'gigabytes': 1,
diff --git a/cinderclient/tests/unit/v2/test_shell.py b/cinderclient/tests/unit/v2/test_shell.py
index 888631189..2f42f4427 100644
--- a/cinderclient/tests/unit/v2/test_shell.py
+++ b/cinderclient/tests/unit/v2/test_shell.py
@@ -1392,8 +1392,7 @@ class ShellTest(utils.TestCase):
         self.assert_called('GET', '/os-quota-class-sets/test')
 
     def test_quota_class_update(self):
-        expected = {'quota_class_set': {'class_name': 'test',
-                                        'volumes': 2,
+        expected = {'quota_class_set': {'volumes': 2,
                                         'snapshots': 2,
                                         'gigabytes': 1,
                                         'backups': 1,
diff --git a/cinderclient/v2/quota_classes.py b/cinderclient/v2/quota_classes.py
index 0e5fb5b83..1958fa133 100644
--- a/cinderclient/v2/quota_classes.py
+++ b/cinderclient/v2/quota_classes.py
@@ -35,12 +35,13 @@ class QuotaClassSetManager(base.Manager):
                          "quota_class_set")
 
     def update(self, class_name, **updates):
-        body = {'quota_class_set': {'class_name': class_name}}
+        quota_class_set = {}
 
         for update in updates:
-            body['quota_class_set'][update] = updates[update]
+            quota_class_set[update] = updates[update]
 
-        result = self._update('/os-quota-class-sets/%s' % (class_name), body)
+        result = self._update('/os-quota-class-sets/%s' % (class_name),
+                              {'quota_class_set': quota_class_set})
         return self.resource_class(self,
                                    result['quota_class_set'], loaded=True,
                                    resp=result.request_ids)