Richard Pacquette's magnificent goal helped Lincoln on their way to victory over Southport.
The Imps broke the deadlock early on when Jean-Francois Christophe headed home John Nutter's cross.
Southport had few chances throughout, but went close when Russell Benjamin fired just wide.
And the hosts wrapped up the game when Pacquette produced a stunning long-range drive, which found its way into the bottom corner.
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Lincoln City manager David Holdsworth told BBC Lincolnshire:
"There are still things we can improve on and we must stay focused, but in the context of playing against a side who are having a very good season, that makes it all the sweeter.
"But the game should have been out of sight. 2-0 is a horrible scoreline but I felt we played well, we were dogged, we were rugged and we didn't allow Southport any momentum. We were solid and there are areas we can improve on but we'll take the points.
"I know what Richard Pacquette's strengths are and he led the line admirably. He's a great character and he also has a maturity and I'm delighted I brought him to the club and I think the fans have seen what a quality player he is."