diff --git a/src/applications/maniphest/application/PhabricatorManiphestApplication.php b/src/applications/maniphest/application/PhabricatorManiphestApplication.php
--- a/src/applications/maniphest/application/PhabricatorManiphestApplication.php
+++ b/src/applications/maniphest/application/PhabricatorManiphestApplication.php
@@ -75,6 +75,10 @@
   public function loadStatus(PhabricatorUser $user) {
     $status = array();
 
+    if (!$user->isLoggedIn()) {
+      return $status;
+    }
+
     $query = id(new ManiphestTaskQuery())
       ->setViewer($user)
       ->withStatuses(ManiphestTaskStatus::getOpenStatusConstants())