diff --git a/webserver.js b/webserver.js
index 7ac0ae21..529178df 100644
--- a/webserver.js
+++ b/webserver.js
@@ -2606,14 +2606,14 @@ module.exports.CreateWebServer = function (parent, db, args, certificates, doneF
             var q = require('url').parse(req.url, true);
             if (!q.pathname.endsWith('/login')) { res.redirect(domain.unknownuserrootredirect + getQueryPortion(req)); return; }
         }
-        
+
         if ((domain.sspi != null) && ((req.query.login == null) || (obj.parent.loginCookieEncryptionKey == null))) {
             // Login using SSPI
             domain.sspi.authenticate(req, res, function (err) {
                 if ((err != null) || (req.connection.user == null)) {
                     if (obj.parent.authlog) { obj.parent.authLog('https', 'Failed SSPI-auth for ' + req.connection.user + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
                     parent.debug('web', 'handleRootRequest: SSPI auth required.');
-                    res.end('Authentication Required...');
+                    res.sendStatus(401);
                 } else {
                     if (obj.parent.authlog) { obj.parent.authLog('https', 'Accepted SSPI-auth for ' + req.connection.user + ' from ' + req.clientIp + ' port ' + req.connection.remotePort); }
                     parent.debug('web', 'handleRootRequest: SSPI auth ok.');