diff --git a/hosts/c3d2-web/default.nix b/hosts/c3d2-web/default.nix
index 61cdbb54..ae29141b 100644
--- a/hosts/c3d2-web/default.nix
+++ b/hosts/c3d2-web/default.nix
@@ -48,6 +48,9 @@ in
           index portal.html index.html;
         '';
         locations = {
+          # Mastodon
+          "/.well-known/webfinger".return = "301 https://c3d2.social$request_uri";
+
           # SpaceAPI
           "/status.png".proxyPass = "http://[${config.c3d2.hosts.spaceapi.ip6}]:3000/status.png";
           "/spaceapi.json".proxyPass = "http://[${config.c3d2.hosts.spaceapi.ip6}]:3000/spaceapi.json";