According to NBC Washington, there is no estimate for the damage yet. The vandalism was discovered on Saturday morning, and marks the second time this course has been hit with graffiti since Trump’s election. The Secret Service is reportedly leading the investigation.

Earlier this year, activists unfurled a massive “resist” banner behind the White House from the boom of a construction crane. Now, it seems, they’ve wised up. The President couldn’t care less about what happens in Washington. But mess up his golf game? That’ll get his attention.