diff --git a/ajax/list_photos.php b/ajax/list_photos.php
index 71a3fc2..fb25268 100644
--- a/ajax/list_photos.php
+++ b/ajax/list_photos.php
@@ -49,7 +49,8 @@ if (!$upload_dir || !is_dir($upload_dir)) {
 $files = dol_dir_list($upload_dir, 'files', 0, '\.(jpg|jpeg|png|gif)$', '', 'date', SORT_DESC);
 $photos = array();
 
-$base_url = dol_buildpath('/bericht/ajax/get_photo.php', 1);
+// Relative URL zum get_photo.php (funktioniert sowohl in /custom/bericht/ als auch /bericht/)
+$base_url = 'get_photo.php';
 
 foreach ($files as $f) {
     $photos[] = array(