diff --git a/src/Module/Update/Display.php b/src/Module/Update/Display.php
index 4b84cba7a..9f149d7dc 100644
--- a/src/Module/Update/Display.php
+++ b/src/Module/Update/Display.php
@@ -59,9 +59,9 @@ class Display extends DisplayModule
 		$parentUriId = $item['parent-uri-id'];
 
 		if (empty($force)) {
-			$browserUpdate = $this->pConfig->get($profileUid, 'system', 'update_interval');
-			if (!empty($browserUpdate)) {
-				$updateDate = date(DateTimeFormat::MYSQL, time() - (intval($browserUpdate) / 500));
+			$browserUpdate = intval($this->pConfig->get($profileUid, 'system', 'update_interval') ?? 40000);
+			if ($browserUpdate >= 1000) {
+				$updateDate = date(DateTimeFormat::MYSQL, time() - ($browserUpdate * 2 / 1000));
 				if (!Post::exists([
 					"`parent-uri-id` = ? AND `uid` IN (?, ?) AND `received` > ?",
 					$parentUriId, 0,