diff --git a/lib/openstack.php b/lib/openstack.php
index ce679473a..738902d24 100644
--- a/lib/openstack.php
+++ b/lib/openstack.php
@@ -5,4 +5,4 @@
  * @copyright 2013 Rackspace Hosting, Inc.
  * @license http://www.apache.org/licenses/LICENSE-2.0
  */
-require_once dirname(__FILE__).'/php-opencloud.php';
+require_once __DIR__.'/php-opencloud.php';
diff --git a/lib/rackspace.php b/lib/rackspace.php
index ce679473a..738902d24 100644
--- a/lib/rackspace.php
+++ b/lib/rackspace.php
@@ -5,4 +5,4 @@
  * @copyright 2013 Rackspace Hosting, Inc.
  * @license http://www.apache.org/licenses/LICENSE-2.0
  */
-require_once dirname(__FILE__).'/php-opencloud.php';
+require_once __DIR__.'/php-opencloud.php';