diff --git a/bigchaindb/__init__.py b/bigchaindb/__init__.py
index 223d7a0e..079b1476 100644
--- a/bigchaindb/__init__.py
+++ b/bigchaindb/__init__.py
@@ -28,6 +28,7 @@ _base_database_localmongodb = {
     'host': 'localhost',
     'port': 27017,
     'name': 'bigchain',
+    'uri': None,
     'replicaset': None,
     'login': None,
     'password': None,