The game will kick off at 20h15 (SA time: 21h15) at Taieb Mhiri Stadium in Sfax, Tunisia.
“There has been an update in terms of the fixture, whereas the match had initially been scheduled for Saturday, 25 July 2015, CAF sent a communicae to the effect that the match will now be on Sunday, 26 July 2015 at 20h15,” said Pirates official Floyd Mbele on the club's website.
“We are currently trying to confirm travel arrangements but those will be dependent on the availability of flights. However, we will confirm in due course what route becomes available for us.”
The Sea Robbers went down 2-1 to Egyptian giants Zamalek in their Group B opener in Nelspruit on July 11.
Bucs enter the game on the back of a 3-1 loss on penalties to Swazi champions Royal Leopards in the King's Super Cup this past weekend.