diff --git a/test/PodcastTest.php b/test/PodcastTest.php
index 7ea5088..77112ad 100644
--- a/test/PodcastTest.php
+++ b/test/PodcastTest.php
@@ -107,7 +107,7 @@ public function test_html_entities_are_rss_compatible()
     {
         $mp = $this->newPodcast();
 
-        $mp->setTitle('<<<');
+        $mp->setTitle("<\x06<\x07<\x08");
         $mp->setDescription('⛄️');
         $mp->setWebMaster('>>>');
         $mp->setGenerator('&amp;');