Butch James kicked 17 points in Bath’s 22-14 win over Wasps that sees them move to third in the Premiership.
Trailing 11-9 at half-time Bath flanker Jonny Faamatuainu’s try and the boot of James sealed the result for the hosts.
Danny Cipriani meanwhile missed four of his six attempts at goal.
Harlequins’ 60-14 hammering over Worcester sees them go top, but the leading five sides – Quins, Leicester, Bath, Gloucester and London Irish – are all separated by just two points.
Bath and Harlequins meet on Saturday in a crucial showdown.