By Jessica Derschowitz
Updated February 23, 2016 at 01:22 PM EST
Credit: Matthias Nareyek/WireImage

Spike Lee has endorsed presidential candidate Bernie Sanders, lending his voice to a radio ad to air in South Carolina.

“Wake up, South Carolina! This is your dude, Spike Lee. And you know that I know that you know that the system is rigged,” he says in the 60-second spot. “For too long we’ve given our votes to corporate puppets. Sold the ‘okie-doke.’ Ninety-nine percent of Americans were hurt by the Great Recession of 2008, and many are still recovering.”

“That’s why I am officially endorsing my brother, Bernie Sanders. Bernie takes no money from corporations. Nada. Which means he’s not on the tape, and when Bernie gets in the White House, he will do the right thing,” Lee continues, referencing his famous 1989 film of the same name.

Lee also makes note of Sanders’ participation in Martin Luther King Jr.’s March on Washington in 1963, as well as his arrest in Chicago for “protesting segregation in public schools.”

“He fought for wealth and education equality throughout his whole career. No flippin’, no floppin’. Enough talk. Time for action. Hey, Bernie from Brooklyn, talk to the folks,” the filmmaker says, before Sanders is heard endorsing the message.

The enorsement and radio ad come ahead of the South Carolina primary, which will be held on Saturday.