diff --git a/readmongo/swarmlab-app/src/run/app.js b/readmongo/swarmlab-app/src/run/app.js
index e36b817..2d9f83d 100644
--- a/readmongo/swarmlab-app/src/run/app.js
+++ b/readmongo/swarmlab-app/src/run/app.js
@@ -11,6 +11,16 @@ const { DATABASE, COLLECTION, URL, REDIS, REDIS_PORT, PORT } = process.env;
 
 const fs = require('fs');
 
+const whitelist = [
+  "http://localhost:3000",
+  "http://localhost:8080",
+  "http://localhost:8085",
+  "http://localhost:3080",
+  "http://localhost:3081",
+  "http://localhost:3082",
+  "http://webclient.poc-datacollector_datacollector-net:8080",
+  "http://webclient.poc-datacollector_datacollector-net:8085",
+];
 const io = require("socket.io")(http, {
   //  pingTimeout: 30000,
   //  allowUpgrades: false,
@@ -19,7 +29,8 @@ const io = require("socket.io")(http, {
   //  //transports: [ 'websocket', 'polling' ],
   //  transports: [ 'polling', 'websocket' ],
   cors: {
-    origin: "http://localhost:8085",
+    origin: whitelist,
+    //origin: "http://localhost:8085",
     methods: ["GET", "POST"],
     allowedHeaders: ["my-custom-header"],
     credentials: true,
@@ -72,16 +83,6 @@ app.use(helmet());
 
 const cors = require("cors");
 const { MongoError } = require("mongodb");
-const whitelist = [
-  "http://localhost:3000",
-  "http://localhost:8080",
-  "http://localhost:8085",
-  "http://localhost:3080",
-  "http://localhost:3081",
-  "http://localhost:3082",
-  "http://webclient.poc-datacollector_datacollector-net:8080",
-  "http://webclient.poc-datacollector_datacollector-net:8085",
-];
 const corsOptions = {
   credentials: true,
   methods: ["GET", "PUT", "POST", "DELETE", "OPTIONS"],