diff --git a/modules/monitoring/application/controllers/ListController.php b/modules/monitoring/application/controllers/ListController.php
index ef8c0afb4..70e04c8ae 100644
--- a/modules/monitoring/application/controllers/ListController.php
+++ b/modules/monitoring/application/controllers/ListController.php
@@ -343,7 +343,9 @@ class ListController extends Controller
         $form->render();
         $this->view->form = $form;
 
-        $this->params->remove('view');
+        $this->params
+            ->remove('view')
+            ->remove('format');
         $orientation = $this->params->shift('vertical', 0) ? 'vertical' : 'horizontal';
 /*
         $orientationBox = new SelectBox(