diff --git a/js/youtube.js b/js/youtube.js
index 4c87b0aa..4a5a5afe 100644
--- a/js/youtube.js
+++ b/js/youtube.js
@@ -22,7 +22,7 @@ $(document).ready(function() {
 
 	function makeEmbedNode(embedHost, videoId, width, height) {
 		return $(`<iframe type="text/html" width="${width}" height="${height}" class="full-image"
-			src="https://${embedHost}/embed/${videoId}?autoplay=1" allow="fullscreen" frameborder="0"/>`);
+			src="https://${embedHost}/embed/${videoId}?autoplay=1" allow="fullscreen" frameborder="0" referrerpolicy="strict-origin"/>`);
 	}
 
 	// Adds Options panel item.