FFL didn’t register my firearms as pistols

Hey all,

Long story short, I purchased two under folding AK rifles within the last 3 years. I’m just now learning that MI has a clause where under 26” OAL in the shortest configuration is considered a pistol. The FFL (2 different ones) registered them as rifles on my RI-060. I don’t believe I have the purchaser copies anymore. Is there a way for me to correct this mistake? I obviously don’t want to get into any trouble for them not being registered as pistols if they’re required to be, but am not sure how to go about this.

Thanks!