Will I get the second stimulus check?

My mother claimed me as a dependent on her 2019 taxes and I was 17 when the first stimulus checks came out. I’m 18 now and moved out so I no longer live with her, but to my understanding they’re still going by the 2019 tax returns for this second stimulus check. Does this mean I won’t get one? And if so, is there anything I can do or anyone I can contact to ensure I get one?