diff --git a/apps/files_versions/lib/Storage.php b/apps/files_versions/lib/Storage.php
index daf610dd1d7d4..8826224e5bd40 100644
--- a/apps/files_versions/lib/Storage.php
+++ b/apps/files_versions/lib/Storage.php
@@ -647,6 +647,11 @@ protected static function getAutoExpireList($time, $versions) {
 		}
 
 		$firstVersion = reset($versions);
+
+		if ($firstVersion === false) {
+			return [$toDelete, $size];
+		}
+
 		$firstKey = key($versions);
 		$prevTimestamp = $firstVersion['version'];
 		$nextVersion = $firstVersion['version'] - $step;