diff --git a/index.html b/index.html
index 7a9be9a70..4ce87a001 100644
--- a/index.html
+++ b/index.html
@@ -18,6 +18,7 @@
     <!-- Every theme gets their own html page, this is created by a script; this part will be removed except for the index -->
     <title>MapComplete</title>
     <link href="./manifest.webmanifest" rel="manifest">
+    <a rel="me" href="https://en.osm.town/@MapComplete">Mastodon</a>
     <link href="./assets/svg/add.svg" rel="icon" sizes="any" type="image/svg+xml">
     <meta content="./assets/SocialImage.png" property="og:image">
     <meta content="MapComplete - editable, thematic maps with OpenStreetMap" property="og:title">