diff --git a/files/keystone.conf b/files/keystone.conf
index 64f0a66f2d..5e5bfeb6cd 100644
--- a/files/keystone.conf
+++ b/files/keystone.conf
@@ -35,7 +35,7 @@ template_file = %KEYSTONE_DIR%/etc/default_catalog.templates
 driver = keystone.token.backends.kvs.Token
 
 [policy]
-driver = keystone.policy.backends.simple.SimpleMatch
+driver = keystone.policy.backends.rules.Policy
 
 [ec2]
 driver = keystone.contrib.ec2.backends.sql.Ec2