From b7ba09a551546eb4af5754e8c1ba043b732c49be Mon Sep 17 00:00:00 2001
From: slawkens <slawkens@gmail.com>
Date: Fri, 17 Feb 2023 18:48:01 +0100
Subject: [PATCH] small fix

---
 admin/pages/visitors.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/admin/pages/visitors.php b/admin/pages/visitors.php
index 28efb7c5..02cd372c 100644
--- a/admin/pages/visitors.php
+++ b/admin/pages/visitors.php
@@ -36,8 +36,8 @@ $tmp = $visitors->getVisitors();
 usort($tmp, 'compare');
 
 foreach ($tmp as &$visitor) {
-	$userAgent = $visitor['user_agent'];
-	if ($userAgent == 'unknown') {
+	$userAgent = $visitor['user_agent'] ?? '';
+	if (!strlen($userAgent) || $userAgent == 'unknown') {
 		$browser = 'Unknown';
 	}
 	else {