What should I do if I lost one tablet from the Belar blister?

Good morning, I have been taking hormonal contraception (Belara) for 9 months. However, this month I lost one pill (it was lost) and therefore I took another pill. There should be 8 tablets left until the 7-day break, while due to the loss of this one, there are 7 of them. How to proceed in this case? After 20 days, should I take a 7-day break and start a new package? Or is the course of action different? Thank you in advance for your help.