diff --git a/www/router.php b/www/router.php
index 641ec70..bc62715 100644
--- a/www/router.php
+++ b/www/router.php
@@ -74,7 +74,7 @@ if(preg_match('/^\/api\/admin/', $SURI)) {
 
         echo $twig->render('upload.html');
     }
-} elseif($_SERVER['HTTP_SEC_FETCH_DEST'] == 'image') {
+} elseif(preg_match('/^\s*image/', $_SERVER['HTTP_ACCEPT'])) {
     header('Location: /raw' . $SURI);
     exit(0);
 } elseif(true) {