MSNBC’s The Rachel Maddow Show, which is not pro-Trump, regularly competes with Fox primetime hosts Tucker Carlson and Sean Hannity in terms of nightly viewership.

“Only pro Trump Fox shows do well. Rest are nothing. How’s Shep doing?” he continued, apparently digging at former Fox News anchor Shepard Smith, a longtime target of Trump’s ire who abruptly announced he was leaving Fox in October.

In an earlier tweet, Trump had complained about Fox News Sunday’s upcoming interviews of House Intelligence Chair Adam Schiff and former FBI Director James Comey and claiming that Fox was being “politically correct” by interviewing them.

“Fox is trying sooo hard to be politically correct,” he said.