Nyjah Huston's Olympic medal problem is about to be remedied ... the manufacturer of the prize tells TMZ Sports it's going to replace his award as soon as it can.
Huston got the bronze back on July 29 after coming in third place in the men's street skateboarding final ... but on Thursday -- he complained to his millions of followers on social media that it was already falling apart.
RUSTY REWARD Instagram / @nyjah
In a video he posted to his Instagram Stories, you can see it appeared to have some tarnish issues .