"There's never been as big a change around in fortunes for a long time," he said.
"Jussi made three mistakes in one. He loses the first one, tries to grasp it again and gets so desperate he went lunging to try to get himself out of trouble and ends up giving the penalty away.
"At that stage you wouldn't expect us to do anything other than go on to win, that makes it more difficult to take. It really stunned me and how it came about - but it has.
"I expected us when we got that goal to win it and we can't blame anybody but ourselves because we've gifted Norwich the opportunity to lift themselves, lift the crowd and win it."