A Bradley Wright-Phillips brace helped Charlton beat Wycombe and stretch their lead at the top of League One.
Wright-Phillips opened the scoring from eight yards, sweeping home after Yann Kermorgant's audacious overhead kick rebounded off the woodwork.
The former Plymouth striker got his 10th goal of the season, slotting home from Danny Hollands' through ball.
Wycombe set up a tense finish when Stuart Beavon poked home after Ben Hamer saved from Kadeem Harris.
The Addicks are now three points clear of second-placed Huddersfield.
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Wycombe manager Gary Waddock told BBC Three Counties Radio:
"Wright-Phllips' movement was good and the finish was excellent, he is a good player and we have to deal with strikers of that quality in this division.
"I'm very pleased with the performance of the players. They worked extremely hard, but we have to do that in every game to give ourselves a chance at this level.
"Saturday (against Sheffield Wednesday) is another big game, big club, but we will recover and I will look at the team as I need to keep the energy levels are there."