Updated 12:16pm ET.

Pope Francis has long been rumored to attend the World Meeting of Families in the U.S. next September, and now Philadelphia Archbishop Charles J. Chaput says Pope Francis has accepted his invitation to join the gathering, according to a report by Catholic News Service.

The report also quotes Vatican spokesman Frederico Lombardi saying Friday that the Holy Father has expressed “his willingness to participate in the World Meeting of Families.” The Archdiocese of Philadelphia clarified later Friday that the Vatican itself has not officially confirmed Pope Francis’ visit. “We still expect that any official confirmation will come approximately six months prior to the event,” stated a press release. “Archbishop Chaput has frequently shared his confidence in Pope Francis’ attendance at the World Meeting and his personal conversations with the Holy Father are the foundation for that confidence.”

The Vatican’s Pontifical Council for the Family sponsors the World Meeting of Families every three years in a different city. The upcoming gathering is still more than a year away, and Pope Francis is likely to push for more activity on the issues of family and marriage before then — at least if his workrate continues at its current pace.

In October, Pope Francis will host an Extraordinary Synod of Bishops in Rome to discuss the topic, “The Pastoral Challenges of the Family in the Context of Evangelization.” It is only the third such Extraordinary Synod since Pope Paul VI established the Synod of Bishops in 1965, and it signals that issues of marriage and family—especially in changing modern times—are of special importance to Pope Francis.

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