New Zealander Nacewa joined Leinster in 2008 but the 30-year-old will call time on his playing career at the end of the season but not before playing in the Amlin Challenge Cup final this weekend and the RaboDirect PRO12 final against Ulster a week later - both at the RDS.
"Ulster will get a bit of a rest next week and they've probably been the in-form team the whole season in this RaboDirect PRO12. So they're going to be primed and ready for us," he told the Irish Times.
"It's a great way to go off, with two finals. You work all year for this and there's no better way than to stay at the RDS for two more weeks."
Nacewa also admitted however, that Leinster must show improvements from their performance in the RaboDirect PRO12 semi-final against Glasgow Warriors.
He added: "They are one of the hardest games of the season and when it comes to a semi-final, you have to throw everything at it and they did that. We were chasing them around the park for most of the second half.
"They were playing into a stiff breeze there (in the second half) and made the most of the ball that they had. We coughed up a lot of opportunities ourselves, so we've just got to do the basics right next week," he added looking ahead to Stade Français.
"We just need to really get the breakdown right. We knew Glasgow were going to come at us and they really disrupted our ball. It was a bit of the same last week against Ospreys too. So if we can clean up the breakdown area and get our basics right, we're in for a good game."
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