diff --git a/app.yaml b/app.yaml
index f78a26a..613c387 100644
--- a/app.yaml
+++ b/app.yaml
@@ -13,6 +13,14 @@ handlers:
   http_headers:
     X-Content-Type-Options: nosniff
 
+- url: /baby/.*
+  static_files: static/babystats.html
+  upload: static/babystats.html
+  secure: always
+  login: required
+  http_headers:
+    X-Content-Type-Options: nosniff
+
 - url: /static
   static_dir: static
   secure: always
diff --git a/static/babystats.js b/static/babystats.js
index 130e5cc..5e8b138 100644
--- a/static/babystats.js
+++ b/static/babystats.js
@@ -6,6 +6,14 @@
  * @constructor
  */
 var BabyStats = function(container) {
+  var urlRE = new RegExp('^/baby/([-0-9a-f]{36})$');
+  var match = window.location.pathname.match(urlRE);
+  if (!match) {
+    window.location.pathname = '/baby/' + Cosmopolite.uuid();
+    return;
+  }
+  var id = match[1];
+
   this.container_ = container;
 
   this.tileScaleHeight_ = 1;
@@ -24,22 +32,13 @@ var BabyStats = function(container) {
   this.intervals_ = {};
 
   this.cosmo_ = new Cosmopolite();
-  if (window.location.hash) {
-    var id = window.location.hash.substring(1);
-    hogfather.PublicChat.Join(this.cosmo_, id).then(
-        this.onChatReady_.bind(this));
-  } else {
-    hogfather.PublicChat.Create(this.cosmo_).then(
-        this.onChatReady_.bind(this));
-  }
+  hogfather.PublicChat.Join(this.cosmo_, id).then(this.onChatReady_.bind(this));
 };
 
 
 BabyStats.prototype.onChatReady_ = function(chat) {
   this.chat_ = chat;
 
-  window.location.hash = this.chat_.getID();
-
   this.buildCells_();
   this.buildStylesheet_();
   this.buildLayout_();