Dagenham & Redbridge picked up only their second win in nine games with victory over Sutton United at Victoria Road.
The Daggers came close just before the break when Jack Munns connected with Alex McQueen's corner, but the post denied him.
Seconds later, full-back Liam Gordon stormed forward and again hit the upright as Sutton rode their luck.
Peter Taylor's men finally hit the front in the 71st minute when Conor Wilkinson looped a header over Ross Worner to establish a lead that proved decisive.
The hosts' Elliot Justham saved superbly from substitute Dylan Kearney late on to secure the three points.
Match ends, Dagenham and Redbridge 1, Sutton United 0.
Second Half ends, Dagenham and Redbridge 1, Sutton United 0.
Roarie Deacon (Sutton United) is shown the yellow card.
Substitution, Dagenham and Redbridge. Chike Kandi replaces Tomi Adeloye.
Substitution, Dagenham and Redbridge. Will Wright replaces Doug Loft.
Substitution, Sutton United. Dylan Kearney replaces James Dobson.
Goal! Dagenham and Redbridge 1, Sutton United 0. Conor Wilkinson (Dagenham and Redbridge).
Substitution, Sutton United. Tom Bolarinwa replaces Brett Williams.
Jonah Ayunga (Sutton United) is shown the yellow card.
Second Half begins Dagenham and Redbridge 0, Sutton United 0.
First Half ends, Dagenham and Redbridge 0, Sutton United 0.
Liam Gordon (Dagenham and Redbridge) is shown the yellow card.