President Barack Obama on Thursday became the first U. S. president to cast an early vote in person. He also became the first president to hear the words: “I need an I.D.”

The president flew home to Chicago’s Kenwood neighborhood to cast his early ballot. Democrats are encouraging their supporters to vote early, to avoid the long lines and potential voter I.D. hang-ups on Election Day.

“I very much appreciate everybody here,” the President said at the early voting site. “It’s good to be home back in the neighborhood.”

But the most famous man in the world still had to prove who he was.

An early voting official looked at the president and smiled: “I need an I.D.”

That was met with laughter, including from Pres. Obama, who then joked about his license photo.