diff --git a/src/infrastructure/storage/lisk/__tests__/LiskFixtureTestCase.php b/src/infrastructure/storage/lisk/__tests__/LiskFixtureTestCase.php
index c65a9af3cd..c95e31f13b 100644
--- a/src/infrastructure/storage/lisk/__tests__/LiskFixtureTestCase.php
+++ b/src/infrastructure/storage/lisk/__tests__/LiskFixtureTestCase.php
@@ -2,7 +2,7 @@
 
 final class LiskFixtureTestCase extends PhabricatorTestCase {
 
-  public function getPhabricatorTestCaseConfiguration() {
+  protected function getPhabricatorTestCaseConfiguration() {
     return array(
       self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES => true,
     );