The Fire Club defeated the DR Congo champions 2-1 in Ghana on Wednesday thanks to goals from Bright Adjei and Yahaya Mohammed.
"It was not a bad game against Aduana but the results won't help our course. Anyway, congratulations to Aduana," Ibenge said.
"We came into the game early and wanted to win but it was a little difficult. We're going back to work hard and win the return leg.
"We need the three points badly in Kinshasa and we must work towards it right from today. I don't think Aduana can survive there like they did at their home ground," he added.