Donald Trump’s speech on his vision for an American economic revolution was interrupted by protesters at least 13 times — but unlike at many of his raucous rallies, the GOP nominee kept his cool.

Trump was only minutes into his speech to the Detroit Economic Club when the disruptions began.

As audience members cheered to drown out the protesters, the demonstrators were removed by security.

Trump stared almost serenely from the podium, saying only, “Thank you, thank you,” to the crowd.

But the demonstrators persisted, popping off every few minutes in a clearly coordinated effort to rattle the New York mogul.

“You’re very well planned,” he cracked at one point, but there were no shouts of “Get him out!” or “Get ‘em outta here,” his staples at many rallies.

Toward the end of the speech, following yet another disruption, Trump even made a joke at the protesters’ expense.

“Bernie Sanders’ people had far more energy and spirit,” he quipped.

Trump’s speech was an effort to not only lay out his economic policies but to demonstrate that he could behave in a sober, presidential manner after a week of mishaps on the campaign trail.