diff --git a/public/404.html b/public/404.html
new file mode 100644
index 0000000..47bd3f6
--- /dev/null
+++ b/public/404.html
@@ -0,0 +1,10 @@
+<script>
+  var l = window.location;
+  window.location.href =
+    l.protocol +
+    '//' +
+    l.hostname +
+    (l.port ? ':' + l.port : '') +
+    '/?' +
+    l.pathname.slice(1);
+</script>