diff --git a/src/Sample/wwwroot/index.html b/src/Sample/wwwroot/index.html
index 08b3318f..9b887677 100644
--- a/src/Sample/wwwroot/index.html
+++ b/src/Sample/wwwroot/index.html
@@ -42,7 +42,11 @@
 </head>
 <body>
     <app>Loading...</app>
+
+    <!-- temporary WORKAROUND for Safari https://github.com/mono/mono/issues/15588#issuecomment-529056521 -->
+    <script>var Module;</script>
+    
     <script src="_framework/blazor.webassembly.js"></script>
     <script async defer src="https://buttons.github.io/buttons.js"></script>
 </body>
-</html>
\ No newline at end of file
+</html>
