diff --git a/nginx.conf b/nginx.conf
index 0fac2a7..4b311f3 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -27,6 +27,11 @@ server {
         add_header Cache-Control "public, must-revalidate";
     }
 
+    # Redirect unprefixed paths to /en/
+    location ~ ^/(?!en/|de/|css/|js/|img/|favicon|android|apple|site|llms) {
+        return 302 /en$request_uri;
+    }
+
     # Clean URLs
     location / {
         try_files $uri $uri/ $uri.html =404;