diff --git a/tests/cron/manager_test.php b/tests/cron/manager_test.php
index 6288a5c641..490d3ed225 100644
--- a/tests/cron/manager_test.php
+++ b/tests/cron/manager_test.php
@@ -7,12 +7,12 @@
 *
 */
 
-require_once __DIR__ . '/../mock/cache.php';
-require_once __DIR__ . '/task/testmod/dummy_task.php';
-require_once __DIR__ . '/task/testmod/second_dummy_task.php';
-require_once __DIR__ . '/task2/testmod/simple_ready.php';
-require_once __DIR__ . '/task2/testmod/simple_not_runnable.php';
-require_once __DIR__ . '/task2/testmod/simple_should_not_run.php';
+require_once dirname(__FILE__) . '/../mock/cache.php';
+require_once dirname(__FILE__) . '/task/testmod/dummy_task.php';
+require_once dirname(__FILE__) . '/task/testmod/second_dummy_task.php';
+require_once dirname(__FILE__) . '/task2/testmod/simple_ready.php';
+require_once dirname(__FILE__) . '/task2/testmod/simple_not_runnable.php';
+require_once dirname(__FILE__) . '/task2/testmod/simple_should_not_run.php';
 
 class phpbb_cron_manager_test extends PHPUnit_Framework_TestCase
 {
diff --git a/tests/lock/db_test.php b/tests/lock/db_test.php
index 3b2e3ea3b2..ed15423314 100644
--- a/tests/lock/db_test.php
+++ b/tests/lock/db_test.php
@@ -7,7 +7,7 @@
 *
 */
 
-require_once __DIR__ . '/../../phpBB/includes/functions.php';
+require_once dirname(__FILE__) . '/../../phpBB/includes/functions.php';
 
 class phpbb_lock_db_test extends phpbb_database_test_case
 {