diff --git a/app/call_center_active/call_center_queue.php b/app/call_center_active/call_center_queue.php
index c5f91421bd..572307c984 100644
--- a/app/call_center_active/call_center_queue.php
+++ b/app/call_center_active/call_center_queue.php
@@ -17,7 +17,7 @@
 
 	The Initial Developer of the Original Code is
 	Mark J Crane <markjcrane@fusionpbx.com>
-	Portions created by the Initial Developer are Copyright (C) 2008-2019
+	Portions created by the Initial Developer are Copyright (C) 2008-2023
 	the Initial Developer. All Rights Reserved.
 
 	Contributor(s):
@@ -46,11 +46,11 @@
 	$text = $language->get();
 
 //get the variables
-	$order_by = $_GET["order_by"];
-	$order = $_GET["order"];
+	$order_by = $_GET["order_by"] ?? null;
+	$order = $_GET["order"] ?? null;
 
 //add the search term
-	$search = strtolower($_GET["search"]);
+	$search = strtolower($_GET["search"] ?? '');
 	if (!empty($search)) {
 		$sql_search = " (";
 		$sql_search .= "lower(queue_name) like :search ";
@@ -72,7 +72,7 @@
 //paging the records
 	$rows_per_page = ($_SESSION['domain']['paging']['numeric'] != '') ? $_SESSION['domain']['paging']['numeric'] : 50;
 	$param = "&search=".$search;
-	$page = is_numeric($_GET['page']) ? $_GET['page'] : 0;
+	$page = !empty($_GET['page']) && is_numeric($_GET['page']) ? $_GET['page'] : 0;
 	list($paging_controls, $rows_per_page) = paging($num_rows, $param, $rows_per_page);
 	list($paging_controls_mini, $rows_per_page) = paging($num_rows, $param, $rows_per_page, true);
 	$offset = $rows_per_page * $page;