Twitter users are coming after Trump for a bizarre slip-up about Yosemite National Park.

The president mispronounced “Yosemite’s” as “Yo-Semites,” launching a small wave of viral jokes and parodies.

Trump’s mishap happened yesterday during a speech at the White House to mark the signing of The Great American Outdoors Act, which commits billions in conservation and maintenance of public lands.

“We’re here today to celebrate the passage of truly landmark legislation that will preserve America’s majestic natural wonders, priceless historic treasures — and that’s exactly what they are — grand national monuments and glorious national parks,” he said Tuesday. “This is a very big deal.”

He continued, “We want every American child to have access to pristine outdoor spaces. When young Americans experience the breathtaking beauty of the Grand Canyon, when their eyes widen in amazement as Old Faithful bursts to the sky, when they gaze upon Yosemite’s — Yoseminite’s towering sequoias …”

Ladies and gentlemen, our president: