Son Heung-min said he needed his two stunning goals against Preston in order to boost his confidence as he helped Tottenham reach the FA Cup fifth round.
The South Korean won the Premier League Golden Boot with 23 goals last season but has so far struggled to match that form in 2022-23.
The 30-year-old was inspired at Deepdale, belting in a 30-yard strike to break the deadlock on 50 minutes.
"I needed those goals for my confidence," Son told BBC Sport.
"As a striker or as an attacking player, the important thing is that you get that goal.