diff --git a/backend/src/cyclone/store.py b/backend/src/cyclone/store.py
index 3e4a892..9f11286 100644
--- a/backend/src/cyclone/store.py
+++ b/backend/src/cyclone/store.py
@@ -1086,12 +1086,11 @@ class CycloneStore:
                 .all()
             )
 
-            parsed_at = (
-                row.batch.parsed_at
-                if row.batch is not None
-                else None
-            )
-            if parsed_at is not None and parsed_at.tzinfo is None:
+            # Claim.batch_id is FK NOT NULL with ON DELETE CASCADE, so
+            # ``row.batch`` is always populated in normal flow. Re-attach
+            # UTC only when SQLite drops the tzinfo on read.
+            parsed_at = row.batch.parsed_at
+            if parsed_at.tzinfo is None:
                 parsed_at = parsed_at.replace(tzinfo=timezone.utc)
 
             detail = to_ui_claim_detail(