diff --git a/site/404.html b/site/404.html
new file mode 100644
index 0000000..625e7c1
--- /dev/null
+++ b/site/404.html
@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="fr">
+<head>
+<meta charset="utf-8">
+<script type"javascript">
+var currentURL = window.location.href;
+newURL = currentURL.replace(/crapaud-fou.org/g, "manifeste.crapaud-fou.org");
+window.location = newURL;
+</script>
+</head>
+<body>
+Cette page n'existe pas, mais peut-etre qu'elle existe sur le <a href="https://manifeste.crapaud-fou.org">site du manifeste</a>.
+</body>
+</html>
\ No newline at end of file
