Watch: Shrewsbury goalkeeper drops a clanger after losing ball in floodlights
Like Shrewsbury Town, Dean Henderson has had a good season. The Manchester United loanee has been sufficiently impressive to earn his first England Under-21 cap (against Romania at Molineux), but this moment won't be in his highlight reel.
Get it at 00:56
To be fair to Henderson, he probably lost the ball in the floodlights - and, actually, Charlton's Josh Magennis finishes really well - but it condemned the Shrews to an unexpected home defeat at the worst possible time.
They're now five points off the automatic promotion places with just four games left.