diff --git a/ext/spl/tests/dit_001.phpt b/ext/spl/tests/dit_001.phpt
index 62aae99c8b0..0a709da969e 100755
--- a/ext/spl/tests/dit_001.phpt
+++ b/ext/spl/tests/dit_001.phpt
@@ -3,9 +3,13 @@ SPL: Problem with casting to string
 --FILE--
 <?php
 $d = new DirectoryIterator('.');
-preg_match('/x/', $d);
 var_dump($d);
+preg_match('/x/', $d);
+var_dump(is_string($d));
 ?>
+===DONE===
 --EXPECTF--
 object(DirectoryIterator)#%d (0) {
 }
+bool(true)
+===DONE===