diff --git a/ansible/roles/swift/templates/proxy-server.conf.j2 b/ansible/roles/swift/templates/proxy-server.conf.j2
index c2544cd0fa..6a3ded7c01 100644
--- a/ansible/roles/swift/templates/proxy-server.conf.j2
+++ b/ansible/roles/swift/templates/proxy-server.conf.j2
@@ -99,5 +99,5 @@ use = egg:swift#s3api
 
 [filter:s3token]
 use = egg:swift#s3token
-auth_uri = {{ keystone_internal_url }}
+auth_uri = {{ keystone_internal_url }}/v3
 {% endif %}