He is currently among Ghana's hottest men in Europe having notched five goals in eight league appearances involving seven starts in the Belgian topflight this season.
“I am very happy to earn an invitation again for the game against Sierra Leone," the Waasland-Beveren player told Atinka FM.
“It is always a privilege playing for your national team.
“I will do everything possible to maintain my place in the team.
“There are lots of players and everyone is fighting to be in the national team so is up to me to work very hard and keep my position in the team.”
The Waasland-Beveren player made his Ghana debut in a 2018 Fifa World Cup qualifier against Egypt last year.
Ampomah, who has been linked to German side Fortuna Dusseldorf, currently has three appearances to his name for the Black Stars.
Ghana hosts Sierra Leone on October 11 before traveling for the return fixture four days later.