diff --git a/src/node/hooks/express.js b/src/node/hooks/express.js
index 7e9546c2..61d9ae89 100644
--- a/src/node/hooks/express.js
+++ b/src/node/hooks/express.js
@@ -71,9 +71,9 @@ exports.restartServer = function () {
   }
 
   app.use(function (req, res, next) {
-    res.header("X-Frame-Options", "deny");
+    // res.header("X-Frame-Options", "deny"); // breaks embedded pads
     if(settings.ssl){ // if we use SSL
-      res.header("X-Frame-Options", "max-age=31536000; includeSubDomains");
+      res.header("Strict-Transport-Security", "max-age=31536000; includeSubDomains");
     }
 
     res.header("Server", serverName);