Gary MacKenzie's first goal of the season helped MK Dons to victory over Colchester United.
The Dons, who had manager Karl Robinson sent off at half-time for criticising referee Carl Berry, had umpteen chances to win by a greater margin.
Luke Chadwick missed a close-range header, Dean Bowditch drilled wide twice and Darren Potter, Shaun Williams and Daniel Powell forced saves.
But MacKenzie got the goal, volleying home Bowditch's cross from close range.
The U's looked for an equaliser and Steven Gillespie had an effort ruled out for handball.
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Colchester United manager John Ward told BBC Essex:
"We've done really well in terms of the effort and the work that we've put in. We've limited them to an own goal off a corner.
"I'm just disappointed with the play at the front of our team, we got into there enough times to have done better with the quality.
"We've worked hard to get at the top end and not really hurt them enough, we've either over-passed, over-played or over-hit. That's my disappointment, but I can't fault the effort or the work rate from the team it was first class."