diff --git a/tests/lib/TestCase.php b/tests/lib/TestCase.php
index 1b387df0eb580..3b0232afeeda5 100644
--- a/tests/lib/TestCase.php
+++ b/tests/lib/TestCase.php
@@ -403,7 +403,7 @@ protected static function tearDownAfterClassCleanStrayDataFiles($dataDir) {
 			'nextcloud.log' => true,
 			'audit.log' => true,
 			'owncloud.db' => true,
-			'.ocdata' => true,
+			'.ncdata' => true,
 			'..' => true,
 			'.' => true,
 		];