diff --git a/geomagio/api/db/MetadataDatabaseFactory.py b/geomagio/api/db/MetadataDatabaseFactory.py
index 75c911ade5934db33b2cf59ab4b0255f50cafc8b..fe538302135f122e47b3d002d1c2d670cf092b9a 100644
--- a/geomagio/api/db/MetadataDatabaseFactory.py
+++ b/geomagio/api/db/MetadataDatabaseFactory.py
@@ -44,7 +44,7 @@ class MetadataDatabaseFactory(object):
             location,
             data_valid,
             status,
-            metadata
+            metadata,
         ) = params.datetime_dict().values()
         if id:
             query = query.where(table.c.id == id)