From e28760907d5803c081c32b8b5975e90b9a2b7348 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Fri, 25 Mar 2022 11:49:40 +0000
Subject: [PATCH] Create some calm

---
 syncapi/streams/stream_pdu.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/syncapi/streams/stream_pdu.go b/syncapi/streams/stream_pdu.go
index bd9ec042f..b01157443 100644
--- a/syncapi/streams/stream_pdu.go
+++ b/syncapi/streams/stream_pdu.go
@@ -178,7 +178,10 @@ func (p *PDUStreamProvider) IncrementalSync(
 			req.Log.WithError(err).Error("d.addRoomDeltaToResponse failed")
 			return to
 		}
-		if pos > newPos {
+		switch {
+		case r.Backwards && pos < newPos:
+			fallthrough
+		case !r.Backwards && pos > newPos:
 			newPos = pos
 		}
 	}