diff --git a/atmosphere/index.html b/atmosphere/index.html
index a3d638f59..32a99fa45 100644
--- a/atmosphere/index.html
+++ b/atmosphere/index.html
@@ -3,7 +3,8 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>VRM Animation Preview</title>
+				<meta name="referrer" content="strict-origin-when-cross-origin" />
+				<title>VRM Animation Preview</title>
     <style>
       html, body, #root { width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden; }
     </style>
