From 7f89fed1e45cc6ea65c420e32a017df634f4164f Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Wed, 14 Sep 2022 09:55:50 +0100
Subject: [PATCH] Revert 482914aef4a7d637a8c468d46904fde9f478b5d1

---
 roomserver/internal/input/input.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/roomserver/internal/input/input.go b/roomserver/internal/input/input.go
index 1cb980dc3..c47793f0a 100644
--- a/roomserver/internal/input/input.go
+++ b/roomserver/internal/input/input.go
@@ -172,10 +172,12 @@ func (r *Inputer) Start() error {
 		func(m *nats.Msg) {
 			roomID := m.Header.Get(jetstream.RoomID)
 			r.startWorkerForRoom(roomID)
+			_ = m.Ack()
 		},
 		nats.HeadersOnly(),
 		nats.DeliverAll(),
-		nats.AckNone(),
+		nats.AckExplicit(),
+		nats.ReplayInstant(),
 		nats.BindStream(r.InputRoomEventTopic),
 	)
 	return err