diff --git a/back/package.json b/back/package.json
index 3348c4d7..d989fb1e 100644
--- a/back/package.json
+++ b/back/package.json
@@ -6,7 +6,7 @@
   "scripts": {
     "tsc": "tsc",
     "dev": "ts-node-dev --respawn ./server.ts",
-    "prod": "tsc && node ./dist/server.js",
+    "prod": "tsc && node --max-old-space-size=4096 ./dist/server.js",
     "profile": "tsc && node --prof ./dist/server.js",
     "test": "ts-node node_modules/jasmine/bin/jasmine --config=jasmine.json",
     "lint": "node_modules/.bin/eslint src/ . --ext .ts",
diff --git a/benchmark/index.ts b/benchmark/index.ts
index c4152a66..7be65cb7 100644
--- a/benchmark/index.ts
+++ b/benchmark/index.ts
@@ -13,7 +13,7 @@ RoomConnection.setWebsocketFactory((url: string) => {
 
 async function startOneUser(): Promise<void> {
     await connectionManager.anonymousLogin(true);
-    const connection = await connectionManager.connectToRoomSocket('_/global/maps.workadventure.localhost/Floor0/floor0.json', 'TEST', ['male3'],
+    const connection = await connectionManager.connectToRoomSocket(process.env.ROOM_ID ? process.env.ROOM_ID : '_/global/maps.workadventure.localhost/Floor0/floor0.json', 'TEST', ['male3'],
         {
             x: 783,
             y: 170