diff --git a/swarmlab-app/src/run/app.js b/swarmlab-app/src/run/app.js
index 1377929..9744701 100755
--- a/swarmlab-app/src/run/app.js
+++ b/swarmlab-app/src/run/app.js
@@ -387,7 +387,7 @@ function onCollection(err, collection) {
 //    db.collection('log', onCollection);
 //}
 
-var mongourl = "mongodb://playgrounduser:efvvnuioervefSDFSGYGHRDFVsdfergvssppiiedifhwincvinviw_dbfjbsifbsdkjfswuunscfudfgbbfvibqefwrvnine@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://playgrounduser:efvvnuioervefSDFSGYGHRDFVsdfergvssppiiedifhwincvinviw_dbfjbsifbsdkjfswuunscfudfgbbfvibqefwrvnine@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/?replicaSet=rs1"
 //var mongolab_uri = "mongodb://<dbUser>:<dbPassword>@<host1>:<port1>,<host2>:<port2>/<dbName>?replicaSet=<replicaSetName>";
 var mongooptions = {
     //server: {
@@ -408,10 +408,11 @@ var mongooptions = {
     }
     */
 }
-MongoClient.connect(mongourl, mongooptions, function(err, db){
+MongoClient.connect(mongourl, mongooptions, function(err, client){
     if(err){
         console.log(err);
     } else {
+    const db = client.db('fluent');
     db.collection('log', onCollection);
       /*
         db.collection(function(err, collections) {