Arnold Schwarzenegger on Saturday fired back at President Trump for mocking his departure from "Celebrity Apprentice."

"You should think about hiring a new joke writer and a fact checker," Schwarzenegger said in response to Trump's tweet.

You should think about hiring a new joke writer and a fact checker. https://t.co/SvAjuPdHfa — Arnold (@Schwarzenegger) March 4, 2017

Trump early Saturday hit Schwarzenegger’s decision to quit as host of “Celebrity Apprentice,” saying the Hollywood star was “fired” by ratings.

“Arnold Schwarzenegger isn't voluntarily leaving the Apprentice, he was fired by his bad (pathetic) ratings, not by me. Sad end to great show,” Trump tweeted.

Schwarzenegger on Friday said his first season hosting “Apprentice” as Trump’s replacement will also be his last.

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In remarks Friday, the former California governor cited President Trump, who has repeatedly mocked the ratings of his reality TV replacement, as his reason.

“Even if asked [to do it again] I would decline,” Schwarzenegger told Empire magazine. "I learned a lot, I had a great time, it was a really great opportunity. But under the circumstances, I don’t want to do it again.”

Schwarzenegger's ratings as host of "Apprentice" have lagged far behind Trump's, finishing the season last in its time slot among the four broadcast networks.

Despite still serving as executive producer, Trump has regularly mocked the drop in viewership.