diff --git a/views/formShow.php b/views/formShow.php
index 10a112b..8eb9117 100644
--- a/views/formShow.php
+++ b/views/formShow.php
@@ -672,7 +672,7 @@ foreach ($items as $child) {
         if ($child['type'] == 'SDE') {
             if (empty($extension_list)) {
                 $extension_list = \FreePBX::Sccp_manager()->dbinterface->HWextension_db_SccpTableData("HWextension");
-                $extension_list[]=array( 'model' => 'NONE', 'vendor' => 'CISCO', dns => '0');
+                $extension_list[]=array( 'model' => 'NONE', 'vendor' => 'CISCO', 'dns' => '0');
                 foreach ($extension_list as &$data) {
                     $d_name = explode(';', $data['model']);
                     if (is_array($d_name) && (count($d_name) > 1)) {