Wales have moved their home friendly against Belarus forward 24 hours to Monday, 9 September.
The Football Association of Wales confirmed it will be played at Cardiff City Stadium, kick-off 19:45 BST.
This will be Wales' second home match that month, as they face Azerbaijan in a Euro 2020 qualifying match three days earlier on Friday, 6 September.
Wales have played Belarus on four occasions, winning three times and losing once.
Ryan Giggs, Wales' current manager, scored in a 2-1 Euro 2000 qualifying victory in Minsk in 1999.