The German coach has confirmed his situation in training, saying he needs a bit more time in recovery before heading on to the field.
The Reds had disastrous game on Saturday as they lost 5-0 to a rampant Manchester City side, with Sadio Mane getting sent off after a collision with former Benfica goalkeeper Ederson.
Mane will not play another Premier League game until October, but that may work in Coutinho's favour as he looks to win a place back into the hearts of Liverpool supporters.
Liverpool have been gifted a comfortable group, with Spartak Moscow and Maribor also drawn against them, but face what will likely be their toughest opponents first.
Klopp confirmed the fact that it's Coutinho's back injury that has prevented him from getting first team action at Liverpool.
Expected line-up: Liverpool (4-3-3): Mignolet; Alexander-Arnold, Matip, Klavan, Moreno; Can, Henderson, Wijnaldum; Salah, Firmino, Coutinho.
"That's probably a good thing, the game comes early and we can put things right, change it again".
Mohamed Salah is a minor doubt after being sent home from training today with a sore throat but Klopp has suggested the Egyptian worldwide should be fit to start against Sevilla.
'I could [give you an idea], but I'm sure all the Liverpool supporters around the world are ready to wait another 24 hours, ' Klopp said.