David Marshall is once again named in Scotland's latest squad.
Scotland face Qatar in a friendly in Edinburgh on June 5th before a Euro 2016 qualifier away in Dublin against The Republic of Ireland on June 13th.
Full squad:
Goalkeepers
Scott Bain (Dundee)
Craig Gordon (Celtic)
David Marshall (Cardiff City)
Defenders
Christophe Berra (Ipswich Town)
Craig Forsyth (Derby County)
Gordon Greer (Brighton & Hove Albion)
Alan Hutton (Aston Villa)
Russell Martin (Norwich City)
Charlie Mulgrew (Celtic)
Mark Reynolds (Aberdeen)
Andrew Robertson (Hull City)
Steven Whittaker (Norwich City)
Midfielders
Charlie Adam (Stoke City)
Ikechi Anya (Watford)
Barry Bannan (Crystal Palace)
Scott Brown (Celtic)
Darren Fletcher (West Bromwich Albion)
James Forrest (Celtic)
Shaun Maloney (Chicago Fire)
James Morrison (West Bromwich Albion)
James McArthur (Crystal Palace)
Matt Ritchie (Bournemouth)
Forwards
Steven Fletcher (Sunderland)
Leigh Griffiths (Celtic)
Steven Naismith (Everton)
Johnny Russell (Derby County)