"It is excruciating," he said. "Let's get it right.

"It is what it is, you have to get on with it but it's not the same."

Celtic go into the game in much better shape than they were following the Gers defeat, which sparked a run of just two wins in 12 and calls for the manager to go.

Lennon has turned it around with six successive victories, albeit the William Hill Scottish Cup final win over Hearts at Hampden Park earlier in the month required a penalty shoot-out.

The Hoops' convincing 3-0 win over Dundee United at Parkhead on Wednesday afternoon – David Turnbull, Ismaila Soro and Odsonne Edouard were on the scoresheet –  kept them 16 points behind Premiership leaders Rangers with three games in hand.

Lennon noted the importance of the second Old Firm match of the campaign and pointed out that his team has changed in the intervening period.

Edouard and Ryan Christie, who missed the Light Blues game due to Covid-19 issues are back in the side, Leigh Griffiths is almost back to full fitness and midfielders Turnbull and Soro have emerged as regulars.

The Northern Irishman said: "You don't want to lose it, you want to get a positive result, either three points or a point.

"We are not even contemplating losing the game, we are going there with a positive frame of mind and we have to play, and we have to play a lot better than we did here in October.

"We have Christie, Edouard, Griffiths, Turnbull, Soro, they are all available to play so hopefully that will give us a real spark going into this game.

"We are playing well, everybody is fit, available and there is good competition for places.

"We are creating a lot of chances which we hadn't been doing in that (poor) spell and we have been looking a lot more assured at the back, so the players have found their rhythm.

"I wouldn't say I am relaxed about it, you never are going into a game like this but we are looking forward to it."