diff --git a/tempest/api/compute/base.py b/tempest/api/compute/base.py
index 1ec2b56..9126311 100644
--- a/tempest/api/compute/base.py
+++ b/tempest/api/compute/base.py
@@ -236,7 +236,8 @@
             name = data_utils.rand_name(cls.__name__ + "-Server-Group")
         if policy is None:
             policy = ['affinity']
-        body = cls.server_groups_client.create_server_group(name, policy)
+        body = (cls.server_groups_client.create_server_group(name, policy)
+                ['server_group'])
         cls.server_groups.append(body['id'])
         return body