diff --git a/controllers/admin/AdminCustomerThreadsController.php b/controllers/admin/AdminCustomerThreadsController.php
index 55857d934..fca134266 100644
--- a/controllers/admin/AdminCustomerThreadsController.php
+++ b/controllers/admin/AdminCustomerThreadsController.php
@@ -115,7 +115,8 @@ class AdminCustomerThreadsControllerCore extends AdminController
 			),
 			'date_upd' => array(
 				'title' => $this->l('Last message'),
-				'width' => 90
+				'width' => 90,
+				'havingFilter' => true
 			)
 		);