diff --git a/notifications/notifications.go b/notifications/notifications.go
index 49ebbd5c1ddb8ed848c46bce7226e285c8297f99..72a5e282b1a4c177f7153a96daa200183376a102 100644
--- a/notifications/notifications.go
+++ b/notifications/notifications.go
@@ -341,6 +341,7 @@ func (nb *Impl) ReceiveNotificationBatch(notifBatch *pb.NotificationBatch, auth
 
 	_, loaded := nb.roundStore.LoadOrStore(rid, time.Now())
 	if loaded {
+		jww.DEBUG.Printf("Dropping duplicate notification batch for round %+v", notifBatch.RoundID)
 		return nil
 	}