Wales prop Tomas Francis has withdrawn from Sunday's autumn international against Fiji with WillGriff John handed his first international start.
Francis, 29, was due to win his 60th cap but is unavailable after suffering a concussion in training on Friday.
That means Scarlets tight-head John will win his second cap after coming off the bench for his debut in the 23-18 defeat by South Africa.
Cardiff prop Dillon Lewis is promoted to the replacements' bench.
Francis had been due to start his third international of the autumn series. He joins a lengthy casualty list that includes Alun Wyn Jones, Ken Owens, George North, Leigh Halfpenny, Taulupe Faletau, Justin Tipuric, Josh Navidi, Ross Moriarty, Dan Lydiate and Aaron Wainwright.
Wales: L Williams; Cuthbert, Adams, J Williams, Rees-Zammit; Biggar, Hardy; Carre, Elias, John, Rowlands, Beard, Jenkins (capt), Young, Basham.
Replacements: Roberts, Thomas, Lewis, Tshiunza, S Davies, T Williams, Sheedy, Tompkins.
Fiji: Tuicuvu; Tuisova, Nayacalevu (capt), Botitu, Sau; Volavola, Lomani; Ravia, Matavesi, Doge, Ratuniyarawa, Mayanavanua, Tuisue, Kunavula, Mata.
Replacements: Togiatama, Mawi, Atalifo, Ratuva, Dakuwaqa, Matawalu, Naqalevu, Tuimaba.