diff --git a/lib/Application.php b/lib/Application.php
index fde86e65..4b00af3a 100644
--- a/lib/Application.php
+++ b/lib/Application.php
@@ -13,6 +13,7 @@
  */
 
 use Horde\Backup;
+use Horde\Util\Variables;
 use Sabre\CalDAV;
 
 /* Determine the base directories. */
@@ -485,7 +486,7 @@ public function restoreDependencies()
     /**
      * @throws Nag_Exception
      */
-    public function download(Horde_Variables $vars)
+    public function download(Variables|\Horde_Variables $vars)
     {
         global $display_tasklists, $injector, $registry;
 
diff --git a/lib/Search.php b/lib/Search.php
index 2ffd5b6e..69c7979c 100644
--- a/lib/Search.php
+++ b/lib/Search.php
@@ -11,6 +11,9 @@
  * @license  http://www.horde.org/licenses/gpl GPL
  * @package Nag
  */
+
+use Horde\Util\Variables;
+
 /**
  * Nag_Search:: Interface for performing task searches.
  *
@@ -222,7 +225,7 @@ protected function _search($page, $perpage)
      *
      * @param Horde_Variables $vars  The Horde_Variables object.
      */
-    public function getVars(Horde_Variables &$vars)
+    public function getVars(Variables|\Horde_Variables &$vars)
     {
         $vars->set('search_pattern', $this->_search);
         $vars->set('search_tags', implode(',', $this->_tags));
diff --git a/lib/View/List.php b/lib/View/List.php
index 2a7f5628..4991f592 100644
--- a/lib/View/List.php
+++ b/lib/View/List.php
@@ -11,6 +11,9 @@
  * @author  Michael J Rubinsky <mrubinsk@horde.org>
  * @package Nag
  */
+
+use Horde\Util\Variables;
+
 class Nag_View_List
 {
     /**
@@ -69,7 +72,7 @@ class Nag_View_List
      *
      * @return Nag_View_List
      */
-    public function __construct($vars)
+    public function __construct(Variables|\Horde_Variables $vars)
     {
         $this->_vars = $vars;
         $this->_title = _("My Tasks");