diff --git a/src/Ui/template/wrapper.html b/src/Ui/template/wrapper.html
index 4099629d..dfa00aad 100644
--- a/src/Ui/template/wrapper.html
+++ b/src/Ui/template/wrapper.html
@@ -57,7 +57,7 @@ permissions = {permissions}
 show_loadingscreen = {show_loadingscreen}
 server_url = '{server_url}'
 </script>
-<script type="text/javascript" src="{server_url}/uimedia/all.js?rev={rev}" asyc></script>
+<script type="text/javascript" src="{server_url}/uimedia/all.js?rev={rev}" async></script>
 
 </body>
-</html>
\ No newline at end of file
+</html>