Striker Matt Harrold came off the bench to score against his former club as Bristol Rovers secured a point at League Two leaders Southend United.
The hosts, looking for their sixth successive league win, went ahead as Liam Dickinson's cross was met by Neil Harris in the six-yard box.
Second-half substitute Harrold, who had only been on the pitch five minutes, levelled with a neat back header.
Ryan Hall hit the post for Southend in the closing stages as Rovers hung on.
Southend remain top of League Two but now only on goal difference from Crawley, who won 2-1 at Rotherham.
Bristol Rovers, who ended a run of three successive away defeats, slip a place to 18th.
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Southend United manager Paul Sturrock told BBC Essex:
"It's one of our more disappointing performances at home this season. Saying that, it was the kind of the game, the way it unfolded, we could have quite easily lost.
"We had an awful lot of clear-cut chances in the second half that we could have won the game quite comfortably.
"We seemed to be a bit lethargic today compared to the standards we've achieved. We're disappointed to have drawn the game."