Nottingham Forest manager Aitor Karanka is expecting a motivated Millwall side to visit The City Ground on Wednesday evening.
The Lions have just one league win to their name this season but the Forest boss says Neil Harris's side cannot be underestimated.
He said: "We could feel it last season and I am expecting a similar kind of game. We went there last season and we lost the game at the beginning.
"They are a really well-worked team, Neil is doing really well. They won promotion and came close to the play-offs last season and they are not playing at the same level, but they will fight for every single ball. They are compact and have some good players so I think it is another tough game for us.
"For sure, they will be more dangerous than they were last season. They were more confident last season but now they will come more motivated because they need the points.
"We know that it will be a tough game, we knew how tough it would be last season, and we have to go to the pitch in the same way that we did against Stoke and Sheffield Wednesday last week and put our best on the pitch."
Karanka has seen an improvement from his side since the international break and wants his side to start managing games better to see out victories.
He said: "We need to try, and it is difficult because we have been together for just two or three months and it is not something we can do on the training ground, and to manage the games.
"For example, last Wednesday or against Sheffield Wednesday, we were winning easy then they score and in the last minutes we were suffering.
"In the last game we were winning, then we were losing and equalised again, so it is just to try and manage the games and play the tempo that is good for us."