The manager told Sky Sports News: "It was a bit hair raising for me when you go down twice and probably don't deserve to, especially the second one when [Mohamed] Diame scored having just joined them. But we showed great character, I did not think there was much between the two teams.
"What a goal by Enner Valencia, I think everyone has seen now why we have bought him. I was up and ready to start dancing, which is not a pleasing sight, had the one gone in at the death. But we respect the point, it was a very good performance by the team who will only get better as they get to know each other more."
West Ham face Liverpool at the weekend.