(CNN) Ben Jealous, the former head of the NAACP and one of Bernie Sanders' highest-profile African-American supporters, said on Monday he was unimpressed by Hillary Clinton's swipe at the Vermont senator's turn on "Saturday Night Live," while she took a trip to Flint, Michigan.

Clinton had said: "I know Sen. Sanders went to New York to be on 'Saturday Night Live,' and I'm going to Flint to see if we can help with the kids."

"That type of stuff just always strikes me as petty," Jealous told CNN's Jake Tapper on "The Lead." "I'm fairly certain that if she had been asked to go on Saturday Night Live, she would have gone to Flint on a different day."

Jealous pointed out that at other times during the campaign, Clinton had spent time with celebrities such as Kim Kardashian rather than attending big union gatherings.

Sanders, meanwhile, told Tapper in an interview that aired Sunday on "State of the Union" that the city's ongoing water crisis "a national priority."

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