diff --git a/tempest/services/compute/json/servers_client.py b/tempest/services/compute/json/servers_client.py
index 23c1e64..9c26ac9 100644
--- a/tempest/services/compute/json/servers_client.py
+++ b/tempest/services/compute/json/servers_client.py
@@ -523,6 +523,7 @@
         """List the server-groups."""
         resp, body = self.get("os-server-groups")
         body = json.loads(body)
+        self.validate_response(schema.list_server_groups, resp, body)
         return resp, body['server_groups']
 
     def get_server_group(self, server_group_id):