diff --git a/install/package.json b/install/package.json
index 10cd542b46..3ef658a998 100644
--- a/install/package.json
+++ b/install/package.json
@@ -46,7 +46,7 @@
         "compression": "^1.7.1",
         "connect-ensure-login": "^0.1.1",
         "connect-flash": "^0.1.1",
-        "connect-mongo": "2.0.3",
+        "connect-mongo": "3.0.0",
         "connect-multiparty": "^2.1.0",
         "connect-pg-simple": "^5.0.0",
         "connect-redis": "3.4.1",
diff --git a/src/database/mongo.js b/src/database/mongo.js
index 7f5bb21b68..0fd8ad9169 100644
--- a/src/database/mongo.js
+++ b/src/database/mongo.js
@@ -154,7 +154,7 @@ mongoModule.createSessionStore = function (options, callback) {
 		const meta = require('../meta');
 		const sessionStore = require('connect-mongo')(session);
 		const store = new sessionStore({
-			db: client.db(),
+			client: client,
 			ttl: meta.getSessionTTLSeconds(),
 		});