Leinster went to the top of Heineken Cup Pool Five with a solid 20-13 victory over the Scarlets at Parc y Scarlets.
Wing Isa Nacewa scored the visitors' only try with Jonathan Sexton supplying 15 points with the boot.
The Scarlets, who came away with a losing bonus point, scored a try through Gareth Maule and two penalties and a conversion from Rhys Priestland.
It gave Leinster their 17th successive victory in the tournament and coach Joe Schmidt's 17th win from 19 Heineken Cup games.
- Parc y Scarlets
- Jonathan Sexton
- Gareth Maule