diff --git a/config.php b/config.php
index 82d9174..327e52e 100644
--- a/config.php
+++ b/config.php
@@ -17,4 +17,4 @@ const DATA_FILE = __DIR__ . '/data/talks.json';
 const UPLOAD_DIR = __DIR__ . '/uploads';
 
 // SEO Defaults
-const DEFAULT_OG_IMAGE = '/assets/og-default.jpg'; // optional, falls vorhanden
+const DEFAULT_OG_IMAGE = '/assets/logo.png'; // optional, falls vorhanden