diff --git a/backend/service-privateroom/config.js b/backend/service-privateroom/config.js
index 5f24cd3..d7c4ae6 100644
--- a/backend/service-privateroom/config.js
+++ b/backend/service-privateroom/config.js
@@ -1,6 +1,6 @@
 const config = {
     mongodbDatabase: 'chat',
-    mongodbHost:     'mongodb://127.0.0.1:27017/',
+    mongodbHost:     'mongodb://127.0.0.1:27018/',
     charset:       'utf8',
     mongodbLogin:  '',
     mongodbPassword: '',