diff --git a/app/devices/device_vendor_functions.php b/app/devices/device_vendor_functions.php
index 84aaa24a28..e58a980bff 100644
--- a/app/devices/device_vendor_functions.php
+++ b/app/devices/device_vendor_functions.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) 2016-2017
+ Portions created by the Initial Developer are Copyright (C) 2016-2019
  the Initial Developer. All Rights Reserved.
 
  Contributor(s):
@@ -74,10 +74,12 @@
 //prepare to page the results
 	$rows_per_page = ($_SESSION['domain']['paging']['numeric'] != '') ? $_SESSION['domain']['paging']['numeric'] : 50;
 	$param = "";
-	$page = $_GET['page'];
-	if (strlen($page) == 0) { $page = 0; $_GET['page'] = 0; }
-	list($paging_controls, $rows_per_page, $var3) = paging($num_rows, $param, $rows_per_page);
-	$offset = $rows_per_page * $page;
+	if (isset($_GET['page'])) {
+		$page = $_GET['page'];
+		if (strlen($page) == 0) { $page = 0; $_GET['page'] = 0; }
+		list($paging_controls, $rows_per_page, $var3) = paging($num_rows, $param, $rows_per_page);
+		$offset = $rows_per_page * $page;
+	}
 
 //get the list
 	$sql = str_replace('count(*)', '*', $sql);