Being called the wrong name?

There is a lady that I’ve been working with for 1 year now and she’s always saying my name wrong. My name is Katherine and she keeps calling me Kathleen. I’ve corrected her so many times and she always goes back to calling me Kathleen. I told her Kathy is probably easy to remember. She calls me by it once and for some reason she goes back to calling me Kathleen. She says she keeps forgetting. I feel disrespected. I need advice please?
Being called the wrong name?
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