diff --git a/tests/phpunit/structure/BundleSizeTest.php b/tests/phpunit/structure/BundleSizeTest.php
index cd4968e35..e8a65a389 100644
--- a/tests/phpunit/structure/BundleSizeTest.php
+++ b/tests/phpunit/structure/BundleSizeTest.php
@@ -2,7 +2,7 @@
 
 namespace MediaWiki\Skins\Vector\Tests\Structure;
 
-class BundleSizeTest extends \MediaWiki\Tests\Structure\BundleSizeTest {
+class BundleSizeTest extends \MediaWiki\Tests\Structure\BundleSizeTestBase {
 
 	/** @inheritDoc */
 	public function getBundleSizeConfig(): string {