diff --git a/tempest/api/compute/admin/test_simple_tenant_usage.py b/tempest/api/compute/admin/test_simple_tenant_usage.py
index 204281c..7333acb 100644
--- a/tempest/api/compute/admin/test_simple_tenant_usage.py
+++ b/tempest/api/compute/admin/test_simple_tenant_usage.py
@@ -50,14 +50,14 @@
     def test_list_usage_all_tenants(self):
         # Get usage for all tenants
         tenant_usage = self.adm_client.list_tenant_usages(
-            start=self.start, end=self.end, detailed="1")
+            start=self.start, end=self.end, detailed="1")['tenant_usages'][0]
         self.assertEqual(len(tenant_usage), 8)
 
     @test.idempotent_id('94135049-a4c5-4934-ad39-08fa7da4f22e')
     def test_get_usage_tenant(self):
         # Get usage for a specific tenant
         tenant_usage = self.adm_client.show_tenant_usage(
-            self.tenant_id, start=self.start, end=self.end)
+            self.tenant_id, start=self.start, end=self.end)['tenant_usage']
 
         self.assertEqual(len(tenant_usage), 8)
 
@@ -65,6 +65,6 @@
     def test_get_usage_tenant_with_non_admin_user(self):
         # Get usage for a specific tenant with non admin user
         tenant_usage = self.client.show_tenant_usage(
-            self.tenant_id, start=self.start, end=self.end)
+            self.tenant_id, start=self.start, end=self.end)['tenant_usage']
 
         self.assertEqual(len(tenant_usage), 8)
diff --git a/tempest/services/compute/json/tenant_usages_client.py b/tempest/services/compute/json/tenant_usages_client.py
index 72fcde2..73b4706 100644
--- a/tempest/services/compute/json/tenant_usages_client.py
+++ b/tempest/services/compute/json/tenant_usages_client.py
@@ -30,7 +30,7 @@
         resp, body = self.get(url)
         body = json.loads(body)
         self.validate_response(schema.list_tenant_usage, resp, body)
-        return service_client.ResponseBodyList(resp, body['tenant_usages'][0])
+        return service_client.ResponseBody(resp, body)
 
     def show_tenant_usage(self, tenant_id, **params):
         url = 'os-simple-tenant-usage/%s' % tenant_id
@@ -40,4 +40,4 @@
         resp, body = self.get(url)
         body = json.loads(body)
         self.validate_response(schema.get_tenant_usage, resp, body)
-        return service_client.ResponseBodyList(resp, body['tenant_usage'])
+        return service_client.ResponseBody(resp, body)