diff --git a/www/conservancy/settings.py b/www/conservancy/settings.py
index 44360548cdad574da5cd7746ac2dc80fc60ab3c8..2f26462efea7a86106d18c489e01337caeaa80aa 100644
--- a/www/conservancy/settings.py
+++ b/www/conservancy/settings.py
@@ -100,6 +100,7 @@ INSTALLED_APPS = [
     'conservancy.apps.assignment',
     'conservancy.apps.fossy',
     'podjango',
+    'usethesource',
 ]
 
 DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'