diff --git a/html/webapp/index.html b/html/webapp/index.html
index f1262fb..f3a0868 100644
--- a/html/webapp/index.html
+++ b/html/webapp/index.html
@@ -5,7 +5,7 @@
   <meta http-equiv="content-type" content="text/html; charset=UTF-8">
   <meta id="gameViewport" name="viewport" content="width=device-width, initial-scale=1.0, interactive-widget=resizes-content">
   <meta name="theme-color" content="#000000">
-  <link rel="manifest" href="manifest.json" />
+  <link rel="manifest" href="manifest.json" crossorigin="use-credentials" />
   <link href="styles.css" rel="stylesheet" type="text/css">
 </head>