diff --git a/app/mongo/lib/mongo_adaptor_server.rb b/app/mongo/lib/mongo_adaptor_server.rb
index a82d78f..0959f00 100644
--- a/app/mongo/lib/mongo_adaptor_server.rb
+++ b/app/mongo/lib/mongo_adaptor_server.rb
@@ -37,7 +37,11 @@ def db
           @mongo_db ||= ::Mongo::MongoClient.from_uri(Volt.config.db_uri)
           @db ||= @mongo_db.db(Volt.config.db_uri.split('/').last || Volt.config.db_name)
         else
-          @mongo_db ||= ::Mongo::MongoClient.new(Volt.config.db_host, Volt.config.db_port)
+          options = {}
+          options[:user] = Volt.config.db_user if Volt.config.db_user.present?
+          options[:password] = Volt.config.db_password if Volt.config.db_password.present?
+
+          @mongo_db ||= ::Mongo::MongoClient.new(Volt.config.db_host, Volt.config.db_port, options)
           @db ||= @mongo_db.db(Volt.config.db_name)
         end