Leinster head-coach Leo Cullen says his team has plenty to work on after last night's 54-42 win over Ulster.
The defending champions ran in eight tries and have stretched their lead at the top of Conference A of the Guinness Pro14 to 12-points.
But they allowed the visitors to score three tries in the last 15-minutes and Cullen found that frustrating:
"There were lots of good bits, particularly in the first-half," he told Eir Sport.
"Credit to the players, I thought they applied themselves really well. The second-half was very disjointed.
"There were a lot of tries for both sides. We gave away a lot of penalties, which meant we gave away a lot of good field position, as well.
"Delighted to get a win and a bonus point, (but) frustrated to concede as many points, especially here at home."
Roman Salanoa and centre Tommy O'Brien both won their first caps for the Blues and Cullen is pleased with how his fringe players have been performing:
"There's a lot of young guys coming in there, and a good few guys making their Leinster debuts as well.
"We'll have a look back. There were some lapses in concentration, perhaps, when we pushed-on on the scoreboard.
"We would like to set a better standard than that.
"Ulster managed to get a bonus point out of the game, and we had them dead and buried, it looked like, at one stage.
"Credit to them for coming back into the game, they stayed in the fight, but was it off the back of our errors a few times?"
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