diff --git a/keystone/cli.py b/keystone/cli.py
index 383c4497ec..81fb2af4b2 100644
--- a/keystone/cli.py
+++ b/keystone/cli.py
@@ -16,6 +16,7 @@
 
 from __future__ import absolute_import
 
+import json
 import sys
 import textwrap