Midfielder Aaron Webster grabbed a second-half double to wreck Stockport's five-game unbeaten run in a 2-1 win at the Pirelli Stadium.
The visitors snatched the lead with a breakaway goal in the 19th minute when a flat-footed Burton defence allowed Paul Turnbull to head home a Jake Simpson cross from 12 yards.
The rest of the first half belonged to the home team as they battled for the equaliser.
Burton top scorer Shaun Harrad hit a post from 15 yards in the 25th minute and also was also denied by the fingertips of Matthew Glennon.
Stockport's goal enjoyed a charmed life in added time at the end of the first half when Aaron Webster fired against the woodwork from 20 yards.
Glennon produced another fine save after the interval to keep out a Webster free-kick, but the midfielder took his revenge in the 63rd minute to score with a close-range header after a John McGrath corner had been flicked on by Richard Walker.
And in a repeat move five minutes later, Webster arrived at the far post to head Burton in front after a McGrath cross was nodded on by Ryan Austin.
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