diff --git a/lib/private/DateTimeFormatter.php b/lib/private/DateTimeFormatter.php
index 8b689683b6cc9..57c4833a4e357 100644
--- a/lib/private/DateTimeFormatter.php
+++ b/lib/private/DateTimeFormatter.php
@@ -125,7 +125,7 @@ public function formatDate($timestamp, $format = 'long', \DateTimeZone $timeZone
 	 * @return string Formatted relative date string
 	 */
 	public function formatDateRelativeDay($timestamp, $format = 'long', \DateTimeZone $timeZone = null, \OCP\IL10N $l = null) {
-		if (!str_ends_with($formatDate, '^') && !str_ends_with($formatDate, '*')) {
+		if (!str_ends_with($format, '^') && !str_ends_with($format, '*')) {
 			$format .= '^';
 		}