diff --git a/app/services/scheduler.py b/app/services/scheduler.py
index 54213f0..be6b647 100644
--- a/app/services/scheduler.py
+++ b/app/services/scheduler.py
@@ -168,7 +168,7 @@ async def sync_recientes(ventana_min: int = 2) -> dict:
                                  modo="upsert", examenes_map=examenes_map)
 
     if resultado["total"] > 0:
-        guardar_sync_log(resultado, 0, origen="scheduler", modo="upsert")
+        guardar_sync_log(resultado, None, origen="scheduler", modo="upsert")
 
     return {
         "ok":          True,