U.S. President Donald Trump arrived at the Vatican on Wednesday for talks with one of his most high-profile critics, Pope Francis, after the two men exchanged sharp words during the presidential campaign last year.

Acccordingt o Reuters,Trump looked uncomfortable as he entered a small elevator taking him to the third floor of the Apostolic Palace,to the pope’s private study.

Following behind Trump were daughter Ivanka, her husband, Jared Kushner, a top White House aide, national security adviser H.R. McMaster and adviser Hope Hicks.

The two men then posed for photograghs and the pope kept a stern face while Trump beamed for the cameras.

The two leaders had a spat last year when Trump was still a Republican contender for the presidency.

Francis called his plan to build a wall on the Mexico border “not Christian,” a comment that Trump dismissed as “disgraceful.”