John Miles scored a double as Accrington recorded a 2-0 victory to upset Peter Taylor in his first game in charge of Bradford.
The winger got his first in the 54th minute when, with the Bantams defence appealing for off-side, he raced clear and slotted past keeper Matt Glennon for his first league goal of the season.
And his second four minutes from time sealed the win when Michael Symes' ball across the goal found the wideman and he squeezed the ball home from a tight angle.
It halted a run of three games without a win for Stanley and former England Under-21 coach Taylor will know he has work to do with the Bantams, who have won one in six.
They didn't create a lot of chances despite a three-pronged attack, with Accrington keeper Ian Dunbavin hardly having a save to make.
Their best chance fell to top scorer James Hanson after the break but he hammered the ball over the bar from Simon Ramsden's free-kick.
Instead it was Stanley who could have had more with Miles forcing a good save out of keeper Matt Glennon while he ballooned another effort over the bar.
Jimmy Ryan also flicked the ball over in a good position while the Reds also appealed for three penalties all of which referee Trevor Kettle refused.
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