Index: support/startup/PhabricatorStartup.php
===================================================================
--- support/startup/PhabricatorStartup.php
+++ support/startup/PhabricatorStartup.php
@@ -568,6 +568,7 @@
       // Compatibility with PHP 5.4+ built-in web server.
       $url = parse_url($_SERVER['REQUEST_URI']);
       $_REQUEST['__path__'] = $url['path'];
+      $_GET['__path__'] = $url['path'];
       return;
     }