diff --git a/actions/all.php b/actions/all.php
index 2b83127f72ad5025506b399e4dec4779de084b50..a987ebbadbc135aaa1b9af5b1f00a26b5182c736 100644
--- a/actions/all.php
+++ b/actions/all.php
@@ -85,7 +85,7 @@ class AllAction extends ProfileAction
     function title()
     {
         $user = common_current_user();
-        if ($user->id == $this->user->id) {
+        if (!empty($user) && $user->id == $this->user->id) {
             // TRANS: Title of a user's own start page.
             return _('Home timeline');
         } else {