diff --git a/web/skins/classic/views/monitor.php b/web/skins/classic/views/monitor.php
index eb6bf5e76..5caa65d61 100644
--- a/web/skins/classic/views/monitor.php
+++ b/web/skins/classic/views/monitor.php
@@ -270,7 +270,7 @@ if ( $tab != 'general' )
         foreach( $newMonitor['Triggers'] as $newTrigger )
         {
 ?>
-        <input type="hidden" name="newMonitor[Triggers][]" value="<?= validHtmlStr($newTrigger ?>"/>
+        <input type="hidden" name="newMonitor[Triggers][]" value="<?= validHtmlStr($newTrigger) ?>"/>
 <?php
         }
     }