Jay Baruchel had a few reservations before asking Canadian actress Alison Pill to be his wife.

"I was going to give her a ring and I wasn't sure," the Tropic Thunder actor tells ET Canada. "I wasn't ready in my heart to say what it was."

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Once he mustered up some courage, the She's Out of My League star, 28, presented Pill, 25, with a 180-year-old wedding band.

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"When I gave it to her, I just said, basically, 'S*** or get off the pot,'" he says. "I said, 'F*** it. Will you marry me?'"

The couple plan to tie the knot in September 2012.

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