diff --git a/www/include/monitoring/status/Services/service.php b/www/include/monitoring/status/Services/service.php
index ea69aa3ae79..72926ccbe74 100644
--- a/www/include/monitoring/status/Services/service.php
+++ b/www/include/monitoring/status/Services/service.php
@@ -631,7 +631,7 @@ function preInit() {
         _keyPrefix = '<?= $keyPrefix; ?>';
         _tm = <?= $tM ?>;
         _o = '<?= $o; ?>';
-        _defaultStatusFilter = '<?= $defaultStatusFilter; ?>';
+        _defaultStatusFilter = '<?=  htmlspecialchars($defaultStatusFilter, ENT_QUOTES, 'UTF-8'); ?>';
         _defaultStatusService = '<?= $defaultStatusService; ?>';
         sSetOrderInMemory = '<?= $sSetOrderInMemory; ?>';