diff --git a/lib/private/Security/Bruteforce/Throttler.php b/lib/private/Security/Bruteforce/Throttler.php
index ef870f4b99a15a9ed2ab5ab61e8cd62e9ed846c6..b490c6a4012c2e7bd8a029ebf85db29e36dd83ab 100644
--- a/lib/private/Security/Bruteforce/Throttler.php
+++ b/lib/private/Security/Bruteforce/Throttler.php
@@ -99,7 +99,7 @@ class Throttler {
 	 * @param float $maxAgeHours
 	 * @return int
 	 */
-	private function getCutoffTimestamp(float $maxAgeHours): int {
+	private function getCutoffTimestamp(float $maxAgeHours = 12.0): int {
 		return (new \DateTime())
 			->sub($this->getCutoff((int) ($maxAgeHours * 3600)))
 			->getTimestamp();