Speed beleives that Rovers have turned a corner since the appointment of his former international team mate Mark Hughes as manager back in October.
"It will be a difficult game for us. They have turned a corner since Mark Hughes took over but so have we since we lost to them last month.
The former Newcastle United and Everton veteran feels that the New Year's Day draw with West Bromwich Albion was the boost that Bolton needed to kick start their season.
"We were in a bad rut and it's difficult to get confidence back when that happens. But as soon as Dioufy's late equaliser went in against West Brom, and we got a draw, a massive cloud was lifted.
Last week's clean sheet in the 1-0 win against champions Arsenal is something that Speed feels that Bolton can build upon ahead of the short journey to Ewood Park tommorow.
"The Arsenal result was a great boost. We've only kept three clean sheets this season and two were against them and Liverpool.