He missed out on a try in the closing minutes of the first half, but Liam Williams made up for it just minutes after the break extending Wales' lead to six point. Leigh Halfpenny missed the conversion.
Juan Martin Hernandez capitalised on a quickly taken penalty. The conversion from Nicolas Sánchez brought the Pumas to within a point.
It didn't take Wales long to respond, Gareth Davies making it through the Argentine defence to carry over a second try for the home side. Halfpenny successfully converted.
After consultation with the TMO, Argentina scrum-half Martin Landajo was awarded a try, bringing the visitors within touching distance once more.
Halfpenny added another two penalties to seal with win for Wales, putting an end to their five game losing streak.
Final score Wales 24-20 Argentina.