diff --git a/nginx.conf b/nginx.conf
index 3e2788a..a8e3685 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -4,7 +4,7 @@ server {
 	server_name _;
 
 	# Web client
-	location ~ ^(/$|/web) {
+	location ~ ^(/$|/@|/web) {
 		proxy_buffering off;
 		proxy_set_header Host $host;
 		proxy_set_header X-Real-IP $remote_addr;
diff --git a/web/src/index.php b/web/src/index.php
index 93f9caa..26b460d 100644
--- a/web/src/index.php
+++ b/web/src/index.php
@@ -1,3 +1,11 @@
 <?php
 
-echo 'hola';
+$uri = trim($_SERVER['REQUEST_URI']);
+
+# Example: /@username
+if (preg_match('/^\/\@[a-zA-Z0-9\-\_]+/', $uri))
+{
+	if ($_SERVER['HTTP_ACCEPT'] === 'application/activity+json') {
+		header('Location: /u/'.substr($uri, 2)); die();
+	}
+}