Hawaii Five-0star Alex O'Loughlin will soon be saying aloha to a new addition.

O'Loughlin, 35, and his girlfriend, model Malia Jones, are expecting their first child together, E! News reports. Both the actor and Jones, a former United States Amateur Surfing champ, each have a child from previous relationships.

Christine Lahti cast as McGarrett's mom on Hawaii Five-0

O'Loughlin is currently filming Season 3 of the CBS cop drama, which will introduce his character's mother, played by Christine Lahti, this coming year.

The baby news comes several months after O'Loughlin missed one episode of Hawaii Five-0 to seek treatment for prescription pain medication.

The new season of Hawaii Five-0 premieres on Monday, Sept. 24 at 10/9c on CBS.