diff --git a/tests/cache/null_driver_test.php b/tests/cache/dummy_driver_test.php
similarity index 96%
rename from tests/cache/null_driver_test.php
rename to tests/cache/dummy_driver_test.php
index d5af57b009..6cb6b73729 100644
--- a/tests/cache/null_driver_test.php
+++ b/tests/cache/dummy_driver_test.php
@@ -11,7 +11,7 @@
 *
 */
 
-class phpbb_cache_null_driver_test extends phpbb_database_test_case
+class phpbb_cache_dummy_driver_test extends phpbb_database_test_case
 {
 	protected $driver;