Can my company take away overtime pay?

Question Details: I work in an 8-5 office in which occassionally I every month I have meetings that go until 6 or 7. I have been getting time and 1/2 pay for the overtime work. My employer now wants me to come in an hour or two late on the mornings of the meetings instead of paying overtime. This will put me behind on my work and then he could complain that I am not getting my work finished. Is it legal for him to ask me to come in late? Out of an office of 11 I am the only one who he has made this request. Important Notice