diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index f27fa31cea..e3c7f31b8c 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -32,5 +32,9 @@ require_once 'test_framework/phpbb_test_case_helpers.php';
 require_once 'test_framework/phpbb_test_case.php';
 require_once 'test_framework/phpbb_database_test_case.php';
 require_once 'test_framework/phpbb_database_test_connection_manager.php';
-require_once 'test_framework/phpbb_functional_test_case.php';
-require_once 'test_framework/phpbb_ui_test_case.php';
+
+if (version_compare(PHP_VERSION,'5.3.19',">="))
+{
+	require_once 'test_framework/phpbb_functional_test_case.php';
+	require_once 'test_framework/phpbb_ui_test_case.php';
+}