diff --git a/www/p/index.html b/www/p/index.html
new file mode 100644
index 000000000..caf716785
--- /dev/null
+++ b/www/p/index.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
+    <!--
+
+This file only exists for supporting some old URLs that we're trying not to break.
+
+Legacy support is tricky.
+
+:(
+
+    -->
+    <script>
+(function () {
+    if (/cryptpad\.fr$/i.test(window.location.hostname)) {
+        window.location.hostname = 'old.cryptpad.fr';
+    }
+}());
+    </script>
+</head>
+<body>
+    <p>There's nothing here.</p>
+    <p>You probably want to visit <strong><a href="https://old.cryptpad.fr">old.cryptpad.fr</a></strong></p>
+
+</body>
+</html>
+
