diff --git a/nova/flags.py b/nova/flags.py
index a70a361a..e98c487a 100644
--- a/nova/flags.py
+++ b/nova/flags.py
@@ -341,8 +341,9 @@ DEFINE_string('ec2_dmz_host', '$my_ip', 'internal ip of api server')
 DEFINE_integer('ec2_port', 8773, 'cloud controller port')
 DEFINE_string('ec2_scheme', 'http', 'prefix for ec2')
 DEFINE_string('ec2_path', '/services/Cloud', 'suffix for ec2')
-DEFINE_string('osapi_extensions_path', '/var/lib/nova/extensions',
-               'default directory for nova extensions')
+DEFINE_multistring('osapi_extension',
+                   ['nova.api.openstack.contrib.standard_extensions'],
+                   'osapi extension to load')
 DEFINE_string('osapi_host', '$my_ip', 'ip of api server')
 DEFINE_string('osapi_scheme', 'http', 'prefix for openstack')
 DEFINE_integer('osapi_port', 8774, 'OpenStack API port')