diff --git a/site/zenodo_rdm/curation/tasks.py b/site/zenodo_rdm/curation/tasks.py
index d65833db..55e24b43 100644
--- a/site/zenodo_rdm/curation/tasks.py
+++ b/site/zenodo_rdm/curation/tasks.py
@@ -46,8 +46,9 @@ def run_eu_record_curation(since):
             dsl.Q(
                 "range",
                 updated={
-                    "gte": datetime.fromisoformat(since).isoformat()
-                    - timedelta(hours=12),
+                    "gte": (
+                        datetime.fromisoformat(since) - timedelta(hours=12)
+                    ).isoformat(),
                 },
             ),
         ],