diff --git a/mayordomo/__init__.py b/mayordomo/__init__.py
index 6b2d9be..110a5ad 100644
--- a/mayordomo/__init__.py
+++ b/mayordomo/__init__.py
@@ -195,7 +195,7 @@ async def cleanupSent():
 		for destinatario in dest.scalars():
 			cartaid = destinatario.cartaid
 			await db.execute(delete(Destinatario).where(Destinatario.id==destinatario.id))
-			result = await db.execute(select(Destinatario).where(Destinatario.cartaid==cartaid))
+			result = await db.execute(select(Destinatario).where(Destinatario.cartaid==cartaid).limit(1))
 			more = result.scalar_one_or_none()
 			if more is None:
 				await db.execute(delete(Carta).where(Carta.id==cartaid))