Leinster have so far scored just three tries in their first four European matches but their form in the RaboDirect PRO12, including a comprehensive win in Edinburgh last time out, has improved.
Schmidt's side are bidding for an unprecedented third straight title, having lifted the trophy in 2011 despite trailing 22-6 at half-time to Northampton, while last year, their second-half performance proved too strong for Ulster.
And as a result, Schmidt claims his side won't panic if the tries do not come early this weekend.
"It might not come in the first 40 minutes, but that doesn't mean it's not going to come," Schmidt told the Irish Independent.
"It's about trying to keep the confidence up when we might not even be in front at half-time. We might not even have a try on the board. We'd certainly like to.
"But we have that confidence that we can get tries in the second-half. We got three tries in the second halves of the last two Heineken Cup finals. It's something that we feel is not beyond us.
"I might be naive, but I do believe in miracles. We've had a couple of them in the last couple of years that will certainly be indelibly etched in my memory and I'd love to get another very good memory in the next two weeks."
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