Gary Rogers conceded the match winning penalty, but then produced two brilliant saves in Reykjavik to keep St Patrick's Athletic in this Europa League tie against IBV Vestmannaeyjar.
Rogers took down ex-Iceland international Tryggvi Gudmundsson five minutes into the second half and skipper Andri Olafsson calmly slotted home the spot kick to put the home side in front.
But Rogers then produced stunning one-handed saves to keep long-range efforts by Denis Sytnik and Ugandan Tonny Mawejje out.
St Patrick's were well in the game, though, and had their chances, mostly notably four minutes from time when substitute Anto Murphy's header from a Stephen Bradley corner was headed off the line by Mawejje.
Brian Shortall should then have done better when heading over following Murphy's long throw.
Both sides had their chances in the first half.
St Pat's skipper Stephen Bradley's free kick brought a save at full stretch from IBV keeper Albert Saevarsson. Bradley's delightful chip then set up Daryl Kavanagh who volleyed over when he should have hit that target.
But IBV were very dangerous, forcing six corners to nil before that. Twice they got in behind the Pat's defence, with Kelvin Mellor wasting the first when slicing wide while Rogers made a comfortable save to deprive Sytnik.
The return leg is at Richmond Park next Thursday.