Traveling Saturday to Lithuania, Pope Francis joked that, in the eyes of some, Pope St. John Paul II is considered a saint while he himself is considered “a devil.”

The pope’s joke came amidst a Sept. 22 conversation with journalists, the Associated Press reported, during which he was presented a book about Pope St. John Paul II, written by long-time papal photographer Grzegorz Galazka.

Francis joked as he examined the book, reportedly telling reporters “ was a saint, I am a devil.”

“No, you are both saints!” Galazka responded.