diff --git a/include/class.ticket.php b/include/class.ticket.php
index 15d99684210a7daa45d0b82c35d20b8ee1758937..21a69f1b47948e9a5ba580fbceaf2061341b8253 100644
--- a/include/class.ticket.php
+++ b/include/class.ticket.php
@@ -1976,7 +1976,7 @@ implements RestrictedAccess, Threadable, Searchable {
                 return new FormattedDate($this->getCloseDate());
             break;
         case 'last_update':
-            return new FormattedDate($this->last_update);
+            return new FormattedDate($this->lastupdate);
         case 'user':
             return $this->getOwner();
         default: