diff --git a/settings.py b/settings.py
index 1d4aca1..283d666 100644
--- a/settings.py
+++ b/settings.py
@@ -116,6 +116,7 @@ INSTALLED_APPS = (
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'mdb',
+    'udb',
     # Uncomment the next line to enable the admin:
     'django.contrib.admin',
     # Uncomment the next line to enable admin documentation: