Back-up glovesman Juston Pasfield has now been given the call-up for his first ever game in four seasons in the A-League - and he's chomping at the bit to take his place in the starting 11.

"It's a good moment for me and hopefully I can have a good game tomorrow night," Pasfield said. "I've been training well over the last couple of weeks and I've got an opportunity.

"I just need to do the simple things well and play my own game and hopefully I can keep the spot.

"It's been a long time waiting for me and I'm really looking forward to it."

Pasfield said he hadn't spoken to Henderson about Ferguson's decision to switch keepers, but said he was honoured to be given a chance with the gloves.

"It's a tough situation ... we've conceded a lot of goals in the last few weeks," Pasfield said.

"Paul's a great guy and a great goalkeeper and he's a very experienced goalkeeper and it's more an achievement for me to get the nod over such an experienced guy."

Pasfield featured in both of North Queensland's pre-season wins and had a clean sheet the last time Fury played Roar in Townsville.

Ferguson described Pasfield's promotion as a very difficult decision.

"I spoke to Paul about it and it's up to Paul now to push his way back and get his spot back, because he was always my number one keeper," Ferguson said,

"It's an opportunity for Justin to come in. I hope they don't have too many shots on goal or set pieces against us because they are dangerous.

"Justin's got the opportunity - the ball's in his court and if he takes it, it will be hard for Paul to get back in there, but weAZ're just trying to get a clean sheet and we'll take it from there.

Ferguson is wary of Roar, but equally confident the attacking flair shown by Fury last week for a 3-3 draw with Adelaide United will put the team in with more than a chance of claiming its first  A-League win.

"There were a lot of positives from last week and I've had to make a few changes," Ferguson said of the unavailability of Qantas Socceroo Shane Stefanutto who'll line up against Korean in Seoul tomorrow night.

"Chris Tadrosse will drop back there. I feel that during the pre-season games he did a good job for us and with set pieces - he knows the position and he's played there most of his career so he'll step in there."