Offline mode issue

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I am in the process of updating to PUN to v2, but noticed an issue with offline mode. I am getting an error when changing the local player name. Cannot send op: 252 Not connected. PeerState: Disconnected
I have made a simple repro:

void Start()
{
PhotonNetwork.OfflineMode = true;
PhotonNetwork.LocalPlayer.NickName = "Offline Player";
}

public override void OnConnectedToMaster()
{
PhotonNetwork.CreateRoom("Offline Room");
}