Rapper LL Cool J says he will not perform at a Fourth of July festival in Philadelphia in support of a strike by nearly 10,000 city workers in Philadelphia.

LL Cool J said he won’t cross the picket line. The rapper said Thursday on Instagram that he won’t perform at Philadelphia’s Fourth of July celebration concert while AFSCME District Council 33, the city’s largest blue-collar workers union, is on strike.

LL Cool J says he won't be performing at Philadelphia's 4th of July celebration concert as long as the strike is ongoing with District Council 33.