John 13:2

And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon’s son, to betray him;
— John 13:2, King James Version

In other translations

World English Bible (WEB)

After supper, the devil having already put into the heart of Judas Iscariot, Simon's son, to betray him,

American Standard Version (ASV)

And during supper, the devil having already put into the heart of Judas Iscariot, Simon’s son, to betray him,

Young's Literal Translation (YLT)

And supper being come, the devil already having put <FI>it<Fi> into the heart of Judas of Simon, Iscariot, that he may deliver him up,