Star Wars actor Mark Hamill took to social media to mock President Donald Trump after the White House shared a post inspired by the iconic franchise which included one crucial mistake.

Donald Trump is holding a red lightsaber in an AI-generated May 4 image, but why did the White House decide to go with that color?

What are people saying about it? Let’s start with the reaction post released by none other than Luke Skywalker himself, Mark Hamill (who visited the White House last year for Star Wars Day). Hamill was as witty as ever, writing that Trump was “full of SITH” for the post.