From 9ea8dc71eb68068417699002dee2ac7d58f29ca7 Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Thu, 11 Nov 2021 14:01:49 +0000
Subject: [PATCH] Make sure that invalid join rules returns a 403

---
 roomserver/internal/perform/perform_join.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/roomserver/internal/perform/perform_join.go b/roomserver/internal/perform/perform_join.go
index b9dd8005f..7d00287bb 100644
--- a/roomserver/internal/perform/perform_join.go
+++ b/roomserver/internal/perform/perform_join.go
@@ -245,7 +245,7 @@ func (r *Joiner) performJoinRoomByID(
 	// builder content.
 	if restricted, roomIDs, rerr := r.checkIfRestrictedJoin(ctx, req); rerr != nil {
 		return "", "", &rsAPI.PerformError{
-			Code: rsAPI.PerformErrorBadRequest,
+			Code: rsAPI.PerformErrorNotAllowed,
 			Msg:  rerr.Error(),
 		}
 	} else if restricted {