diff --git a/tests/functions/version_check_test.php b/tests/functions/version_check_test.php
index d9764a33..58952f1a 100644
--- a/tests/functions/version_check_test.php
+++ b/tests/functions/version_check_test.php
@@ -7,6 +7,8 @@
 *
 */
 
+require_once(dirname(__FILE__) . '/../../../../../includes/utf/utf_tools.php');
+
 class phpbb_functions_version_check_test extends \board3\portal\tests\testframework\test_case
 {
 	protected $version_check;