diff --git a/Layout/default/Device/Detail.php b/Layout/default/Device/Detail.php
index e32a83833..608c6fdda 100644
--- a/Layout/default/Device/Detail.php
+++ b/Layout/default/Device/Detail.php
@@ -1006,7 +1006,7 @@ foreach ($devicesall as $deviceall) {
                     const apiUrl = "<?= self::getUrl('Device', 'api', ['do' => 'deviceoltserviceporttimestamp', 'ip' => $devices->ip]) ?>";
 
                     // Funktion, die die Daten holt und ins DOM schreibt
-                    function updateTimestamp() {
+                    function updateTimestamp(firstCall = 0) {
                         $.getJSON(apiUrl)
                             .done(function(data) {
                                 $('#olt-serviceports').text('(' + data.data.timestamp + ')');
@@ -1017,10 +1017,10 @@ foreach ($devicesall as $deviceall) {
                     }
 
                     // Erstaufruf direkt beim Laden der Seite
-                    updateTimestamp();
+                    updateTimestamp(1);
 
                     // Dann alle 30 000 ms (30 Sekunden) wiederholen
-                    setInterval(updateTimestamp, 10000);
+                    setInterval(updateTimestamp, 5000);
 
 
                 }).fail(function (jqxhr, textStatus, error) {
@@ -1083,7 +1083,7 @@ foreach ($devicesall as $deviceall) {
                             $('.ont-serviceport-refresh-span').html(
                                 '<i title="Refresh" class="fa-solid fa-rotate-right ont-serviceport-refresh"></i>'
                             );
-                        }, 8000);
+                        }, 5000);
                     });
 
             });