diff --git a/webui/controller/policy/archiving.php b/webui/controller/policy/archiving.php
index 6db0ce89..c4d8532c 100644
--- a/webui/controller/policy/archiving.php
+++ b/webui/controller/policy/archiving.php
@@ -29,7 +29,7 @@ class ControllerPolicyArchiving extends Controller {
       }
 
       if($_SERVER['REQUEST_METHOD'] == 'POST') {
-         if($this->validate == true) {
+         if($this->validate() == true) {
             $rc = $this->model_policy_archiving->add_new_rule($this->request->post);
          } else {
             $this->data['error'] = $lang->data['text_invalid_data'];