diff --git a/server.js b/server.js
index 950fcb6..42013f6 100644
--- a/server.js
+++ b/server.js
@@ -46,7 +46,7 @@ app.use(function(req, res, next) {
   );
   res.header(
     'Access-Control-Allow-Headers',
-    'origin, content-type, X-Auth-Token, Tenant-ID, Authorization'
+    'origin, content-type, X-Auth-Token, Tenant-ID, Authorization, Fiware-Service'
   );
   //log.debug("New Request: ", req.method);
   if (req.method === 'OPTIONS') {