April 03, 2015 03:00 PM

January Jones might be an A-list star, but when it comes to her son, the actress is still just a mom.

“I kinda wish he thought I was cooler,” Jones, 37, tells PEOPLE of her 3½-year-old Xander Dane.

“I don’t know if he gets it, what I do. I’m not sure. He’ll see me on a billboard or on TV and be like, ‘Oh, that’s you.’ “

While the toddler hasn’t actually watched his mom in action on her hit show Mad Men, Jones says he has favorites when it comes the close-knit cast.

“It would be Jon Hamm or Aaron Staton, because he would play with Aaron,” she shares. “Even though he knows everyone, he gravitates more toward the dudes.”

Peter Yang

But even when it comes to starring in her brand-new comedy series on Fox, Jones says it’s not easy to impress her son.

“He watched 10 minutes of The Last Man on Earth and was like, ‘Oh, that’s funny,’ but I think he only said that because he knew that’s what I wanted him to say,” she jokes. “After 10 minutes, he asked if we could turn on Octonauts.”

For more on January Jones and the entire Mad Men cast, pick up the latest issue of PEOPLE, on newsstands now.

— Emily Strohm

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