Marco Silva’s side have won five of their last six league games on home soil and Niasse knows that kind of form must be maintained if they are to stay clear of the relegation zone.
“When you look at things, we have been two different teams at home and away,” said Niasse.
“We have to look to solve things away from home, but for now our next game is at home against Watford and there is no doubt that we are going into the game looking for three points.
“That is the only thing that is going to be on our mind on Saturday. We have to go out there and play in the same way that we have done in our last four or five home games.
“Hopefully the fans will keep roaring us on and pushing us because that is important to us. I think they can see that we are trying our best, giving our all and fighting together. We will continue to do this to get more points.
“All of the good things we have shown in recent games we have to put together again on Saturday.”
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