Athletic Bilbao have agreed to extend striker Aritz Aduriz's contract until June 2018, the La Liga club announced on Wednesday.
The 35-year-old Spain international has scored 12 times in all competitions for Athletic so far this term, including all five of his side's goals in the 5-3 Europa League victory over Genk in November.
A short statement on the club's official website said: "Athletic Club and the player Aritz Aduriz have reached an agreement to prolong the player's contract until 30 June 2018, with a 40 million [euros] cancellation clause.''