diff --git a/scripts/dossiers-ngi/branch-status-hourly.py b/scripts/dossiers-ngi/branch-status-hourly.py
index feae12a..e121273 100755
--- a/scripts/dossiers-ngi/branch-status-hourly.py
+++ b/scripts/dossiers-ngi/branch-status-hourly.py
@@ -71,8 +71,10 @@ def main() -> int:
     payload = {
         "generated": datetime.now(timezone.utc).astimezone().isoformat(timespec="seconds"),
         "host": HOST,
-        "tdpd_root": str(repo),
-        "branches": branches,
+        "branches": [
+            {"branch": b["branch"], "tip": b["tip"], "url": b["url"]}
+            for b in branches
+        ],
     }
     OUT.parent.mkdir(parents=True, exist_ok=True)
     OUT.write_text(json.dumps(payload, indent=2) + "\n", encoding="utf-8")