diff --git a/templates/addtag.html b/templates/addtag.html
index 2623916..7c06f08 100644
--- a/templates/addtag.html
+++ b/templates/addtag.html
@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <html lang="en">
-   <script src="/socket.io.js" integrity="sha512-q/Qght8UqVOucUncwXfeU2awmurGzNkJHiQZJGwYn8P81G/HO1CzuehO4vmUqky05JniIw5iIRwjohKcCf8+vrdA=="></script>
+   <script src="/socket.io.js" integrity="sha512-q/Qght8UqVOucUncwXfeU2awmurGzNkJHiQZJGwYn8P81G/HO1CzuehO4vmUqky05JniIw5iIRwjohKcCf8+vrdA==" crossorigin="anonymous"></script>
    <script type="text/javascript" charset="utf-8">
         var socket = io();
         var user = {{ user }}
