SHEFFIELD Wednesday missed out on all three points when they let in a 90 minute equaliser at Hillsborough.
Owls Defender Lewis Buxton had put Wednesday ahead when scrambled the ball home after a corner in front of the Kop early in the second half.
It was his first goal for the Owls, capping a good week after agreeing a permanent deal after a loan spell from Stoke City.
And Wednesday managed to hang on to their lead - right up to the last minute of the game.
Birmingham's Kevin Phillips found the back of the net with a header.
The teams were locked in a Hillsborough stalemate after the first 45 minutes in this Championship encounter.
Chances were at a premium, but Lee Grant had to be alert to flick away a close-range effort, with Hameur Bouazza going close.
Leon Clarke made a welcome return to the Wednesday starting XI against high-flying Birmingham after missing the last six weeks with injury.
Clarke returned to the Owls attack as a replacement for Francis Jeffers who starts a three match ban. It was the only change from the side which lost 2-1 at Nottingham Forest in midweek.
Midfielder Steve Watson was named among the substitutes after recovering from a toe injury but Akpo Sodje, Frank Simek and Etienne Esajas remain sidelined.
Sheffield Wednesday: Hinds, Johnson, Watson, McAllister, Buxton, Spurr, Gray, Boden, Tudgay, Clarke, Grant, Potter, Small, O'Connor, Wood, Beevers
Birmingham City: Ridgewell, Sinclair, Doyle, Larsson, Jerome, Bowyer, Phillips, Murphy, Carsley, Johnson, Parnaby, Bent, Taylor, Fahey, Taylor, Bouazza
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