But Moyes said: "I think Richard should have been called up for the England squad's get-together this week.
"That said, I am not desperately unhappy about that because when I do hand him over to England I want to make sure they are getting a keeper who is as good as anything there is in the country.
"Richard is going to get even better. The number of clean sheets he's kept recently are a fantastic achievement for him.
"He's on his way back now from a period at Arsenal where, while he did gain valuable experience, he lost a bit of self-confidence and self-belief."