diff --git a/ext/phar/tests/bug81211.phpt b/ext/phar/tests/bug81211.phpt
index 43d82143f2bfe..96b1401b40342 100644
--- a/ext/phar/tests/bug81211.phpt
+++ b/ext/phar/tests/bug81211.phpt
@@ -41,5 +41,5 @@ try {
 @rmdir(__DIR__ . '/bug81211');
 ?>
 --EXPECTF--
-Iterator RecursiveIteratorIterator returned a path "%s%ebug81211\foobar\file" that is not in the base directory "%s%ebug81211\foo"
-Iterator RecursiveDirectoryIterator returned a path "%s%ebug81211\foobar\file" that is not in the base directory "%s%ebug81211\foo"
+Iterator RecursiveIteratorIterator returned a path "%s%ebug81211%efoobar%efile" that is not in the base directory "%s%ebug81211%efoo"
+Iterator RecursiveDirectoryIterator returned a path "%s%ebug81211%efoobar%efile" that is not in the base directory "%s%ebug81211%efoo"