diff --git a/whoami.php b/whoami.php
index 5f60418..43f6fb2 100644
--- a/whoami.php
+++ b/whoami.php
@@ -1,6 +1,10 @@
 <?php
 session_start();
-echo $_SESSION['auth_characterid'].'<br>';
-echo $_SESSION['auth_charactername'].'<br>';
-echo $_SESSION['auth_characterhash'].'<br>';
-echo $_SESSION['auth_userdetails'].'<br>';
+if (isset($_SESSION['auth_characterid'])) {
+  echo $_SESSION['auth_characterid'].'<br>';
+  echo $_SESSION['auth_charactername'].'<br>';
+  echo $_SESSION['auth_characterhash'].'<br>';
+  echo $_SESSION['auth_userdetails'].'<br>';
+} else {
+  echo "You don't appear to be logged in.";
+}