diff --git a/tests/lib/TestCase.php b/tests/lib/TestCase.php
index 54368c93b8bcb..3ac318abbc594 100644
--- a/tests/lib/TestCase.php
+++ b/tests/lib/TestCase.php
@@ -408,7 +408,7 @@ protected static function tearDownAfterClassCleanStrayDataFiles($dataDir) {
 			'nextcloud.log' => true,
 			'audit.log' => true,
 			'owncloud.db' => true,
-			'.ocdata' => true,
+			'.ncdata' => true,
 			'..' => true,
 			'.' => true,
 		];