diff --git a/index-dev.html b/index-dev.html
index 0846f26e..e5f4f70a 100644
--- a/index-dev.html
+++ b/index-dev.html
@@ -25,7 +25,7 @@
     <link rel="stylesheet" href="css/base.css" />
     <!-- ReactJs scripts -->
     <script crossorigin="anonymous" src="https://unpkg.com/react@16/umd/react.development.js"></script>
-    <script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
+    <script crossorigin="anonymous" src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
     <!-- React-Intl -->
     <script crossorigin="anonymous" src="https://unpkg.com/prop-types@15/prop-types.js"></script>
     <script crossorigin="anonymous" src="https://unpkg.com/react-intl@2/dist/react-intl.js"></script>