Ukraine-based duo Samuel Inkoom and Derek Boateng are yet to arrive in the Ghana camp for Wednesday's international friendly against Cape Verde.
The FC Dnipro pair are among 20 players named by coach Kwesi Appiah to play the Tubarões Azuis of Cape Verde in a warm-up game in Lisbon for the 2013 Nations Cup.
The two are however expected to arrive in Lisbon on Tuesday morning and take part in the team's training session later in the evening at the match venue.
The Black Stars take on the 2013 AFCON minnows at the University of Lisbon Stadium on Wednesday.
Ghana thrashed Cape Verde 4-0 in the 2006 World Cup qualifiers.