Harrison Ford, the star of the upcoming big screen adaptation of Ender's Game, has weighed in on a boycott of the film over its author's anti-gay marriage views.

Appearing at Comic-Con in San Diego to promote the film, Ford said that Orson Scott Card's views were “not an issue” to the project. Card in 2009 joined the board of the National Organization for Marriage (NOM), the nation's most vociferous opponent of gay nuptials.

“I think none of Mr. Card's concerns regarding the issues of gay marriage are part of the thematics of this film,” said Ford. “He has written something that I think is of value to us all concerning moral responsibility. I think his views outside of those that we deal with in this film are not an issue for me to deal with and something I have really no opinion on.”

After Geeks OUT announced its boycott, Card pleaded for tolerance, saying that last month's Supreme Court ruling made the issue moot.

“Now it will be interesting to see whether the victorious proponents of gay marriage will show tolerance toward those who disagreed with them when the issue was still in dispute,” he wrote.

But the group rejected the plea, saying that nothing is “more democratic and tolerant than a consumer boycott, rooted in the ideas of free market accountability.”

“Orson Scott Card, we can tolerate your anti-gay activism, your right-wing extremism, your campaign of fear-mongering and insults, but we're not going to pay you for it,” the group wrote in response.

Ford noted Card's comments, saying that that should be “the end of the story.”

“I am aware of his statements admitting that the question of gay marriage is a battle that he lost and he admits that he lost it. I think we all know that we've all won. That humanity has won. And I think that's the end of the story,” he said.

Ender's Game stars Ford, Sir Ben Kingsley and Abigail Breslin. It is set to open in November.