diff --git a/inc/config.php b/inc/config.php
index 05e37a6e..e53a5aa7 100644
--- a/inc/config.php
+++ b/inc/config.php
@@ -1197,7 +1197,7 @@
     $config['embedding'] = array(
         [
             '/^https?:\/\/(\w+\.)?youtube\.com\/shorts\/([a-zA-Z0-9\-_]{10,11})$/i',
-            '<iframe style="float: left; padding: 0.6em 1em 0.2em 0.2em;" width="240" height="426" frameborder="0" id="ytplayer" src="https://www.youtube.com/embed/$2"></iframe>'
+            '<iframe style="float: left; padding: 0.6em 1em 0.2em 0.2em;" width="240" height="426" frameborder="0" id="ytplayer" referrerpolicy="strict-origin-when-cross-origin" src="https://www.youtube.com/embed/$2"></iframe>'
         ],
         array(
             '/^https?:\/\/(\w+\.)?youtube\.com\/watch\?v=([a-zA-Z0-9\-_]{10,11})(&.+)?$/i',