Simon Best returns to the starting line-up for Ulster's pivotal Heineken Cup clash with Gloucester at Ravenhill.
Best comes back into the starting 15 ahead of Ronan McCormack, and Paddy Wallace comes on to the bench in place of Jonny Bell.
Ulster must maintain their remarkable home form in this competition to have any chance of making the knock-out stages.
ULSTER v Gloucester: 15 Bryn Cunningham; 14 Tommy Bowe; 13 Kevin Maggs; 12 Paul Steinmetz; 11 Tyrone Howe; 10 David Humphreys; 9 Kieran Campbell; 1 Simon Best; 2 Rory Best; 3 Rod Moore; 4 Gary Longwell; 5 Matt McCullough; 6 Campbell Feather (captain); 7 Neil Best; 8 Roger Wilson.
Replacements: 16 Paul Shields; 17 Ronan McCormack; 18 Rowan Frost; 19 Andy Ward; 20 Neil Doak; 21 Adam Larkin; 22 Paddy Wallace.