The Whites once again allowed a lead to slip last weekend as they were eventually beaten 2-1 by Blackburn Rovers.
Striker Souleymane Doukara had given Leeds the lead from a corner inside the first-half.
However, United's hold on the game started to slowly slip away and they were punished with 20 minutes to go. Rovers' Jordan Rhodes managed to react quickly after Liam Cooper and Marco Silvestri failed to clear their lines.
Then, in typical fashion, former Leeds player Luke Varney caused problems. Although his fall in the box appeared to be a dive, rather than a foul, Rhodes then stepped up to put the ball past Silvestri.
It was another example of how Leeds' defence has had a lapse in concentration this season.
In games against Bradford City, Rotherham, Wolves and Charlton, Leeds have given away a lead and Redfearn is eager to improve.
"You look at the supporters and the way they got behind us and the way they enjoyed what happened, it was only that last little bit that has let everything down.
"That's the most important bit. We've got to get across the line. "If we want to be successful and win things and get back in the Premier League, which we do, then these things are important."