diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 727ae7d..aa41013 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -292,7 +292,7 @@ cors(corsOptions),  (req, res, next) => {
 
   (async() => { 
 
-var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/fluent?replicaSet=rs1"
+var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/fluent?replicaSet=rs1&authSource=swarmlabplaygroundstats"
 const OPTS = { 
   useNewUrlParser: true, 
   useUnifiedTopology: true
@@ -584,7 +584,7 @@ function onCollection(err, collection) {
 }
 
 
-    var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/fluent?replicaSet=rs1"
+    var mongourl = "mongodb://"+CONFIG.mongo.user+":"+CONFIG.mongo.password+"@ondemand_playground_mongo1:27017,ondemand_playground_mongo2:27017,ondemand_playground_mongo3:27017,ondemand_playground_mongo4:27017,ondemand_playground_mongo5:27017,ondemand_playground_mongo6:27017,ondemand_playground_mongo7:27017/fluent?replicaSet=rs1&authSource=swarmlabplaygroundstats"
     const OPTS = { 
         useNewUrlParser: true, 
         useUnifiedTopology: true