diff --git a/docroot/last/index.html b/docroot/last/index.html
index d7b32f6..6eea9a6 100644
--- a/docroot/last/index.html
+++ b/docroot/last/index.html
@@ -5,6 +5,7 @@
     <title>Recorder Map</title>
     <meta name="viewport" content="width=device-width, height=device-height, user-scalable=no, initial-scale=1.0" />
 
+    <meta name="referrer" content="origin">
     <meta name="mobile-web-app-capable" content="yes">
     <meta name="apple-mobile-web-app-capable" content="yes">
     <link rel="manifest" href="manifest.json">