Lucky as in a deflected free kick was your winner. You could have played all day and not got another. I seem to remember Preston getting quite close to an equaliser on a number of occasions. Yes I don't think you were ever gonna lose that match but without a huge deflection for your goal, you...
Burnley haven't been free scoring, and got lucky in their last game. They should beat QPR, but then Brough should have beaten Birmingham and Ipswich. You just never know.