diff --git a/tempest/api/compute/certificates/test_certificates.py b/tempest/api/compute/certificates/test_certificates.py
index 5f68786..78a0a93 100644
--- a/tempest/api/compute/certificates/test_certificates.py
+++ b/tempest/api/compute/certificates/test_certificates.py
@@ -24,13 +24,14 @@
     @test.idempotent_id('c070a441-b08e-447e-a733-905909535b1b')
     def test_create_root_certificate(self):
         # create certificates
-        body = self.certificates_client.create_certificate()
+        body = self.certificates_client.create_certificate()['certificate']
         self.assertIn('data', body)
         self.assertIn('private_key', body)
 
     @test.idempotent_id('3ac273d0-92d2-4632-bdfc-afbc21d4606c')
     def test_get_root_certificate(self):
         # get the root certificate
-        body = self.certificates_client.show_certificate('root')
+        body = (self.certificates_client.show_certificate('root')
+                ['certificate'])
         self.assertIn('data', body)
         self.assertIn('private_key', body)
diff --git a/tempest/services/compute/json/certificates_client.py b/tempest/services/compute/json/certificates_client.py
index c25b273..d6c72f4 100644
--- a/tempest/services/compute/json/certificates_client.py
+++ b/tempest/services/compute/json/certificates_client.py
@@ -26,7 +26,7 @@
         resp, body = self.get(url)
         body = json.loads(body)
         self.validate_response(schema.get_certificate, resp, body)
-        return service_client.ResponseBody(resp, body['certificate'])
+        return service_client.ResponseBody(resp, body)
 
     def create_certificate(self):
         """create certificates."""
@@ -34,4 +34,4 @@
         resp, body = self.post(url, None)
         body = json.loads(body)
         self.validate_response(schema.create_certificate, resp, body)
-        return service_client.ResponseBody(resp, body['certificate'])
+        return service_client.ResponseBody(resp, body)