casino promo tracker counted real money spins but ignored bonus balance spins

I noticed something weird on the promo tracker for a reload bonus I was working through. My real money spins were being tracked for the wagering, but once my balance switched to bonus cash, none of those bets counted at all toward the requirement. I was expecting it to at least keep adding up since the terms never mentioned only real money would count. Checked the fine print a couple of times and didn't spot anything about this kind of split, so I'm kind of frustrated at losing out on some progress.

Has anyone had this issue? I'm wondering if it's just a technical thing with their tracker or if there's some unwritten rule about bonus balance spins. Usually I'm disciplined about screenshotting my balances, but of course I didn't think to this time since I assumed it would keep tracking. Now I'm sitting here second-guessing my approach. I'm thinking next time I'll run a spreadsheet to double check everything myself. Would be interested to know if this is normal or if I just ran into a bug.