February 25, 2015 11:40 AM EST

In the new trailer for Insurgent, heroine Tris offers an explanation for her pixie cut: “I wanted something different.”

But while the character does get a jawline-level haircut in the actual Insurgent book by Veronica Roth, the new ‘do fans see was more of a practical necessity — actress Shailene Woodley was already rocking the shorter look after shooting The Fault in Our Stars. Her co-star in that movie, Ansel Elgort, returns as Tris’ brother in the Divergent sequel.

“I didn’t want to wear a wig. I think wigs always look wiggy, especially in an action movie,” she said last year. “We’re running so much and doing so much, I think, technically, a wig would have looked quite sh-tty.”

Watch the clip over at Entertainment Weekly.

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Write to Nolan Feeney at nolan.feeney@time.com.

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