The Iron suffered only their second defeat in eight matches as they fell to a 2-1 loss at Swindon.Raphael Rossi Branco gave the hosts the lead, before striker Nicky Ajose added a second just four minutes later.
The Iron did get a consolation back through Jordan Clarke, but dropped down two places to 12th after the defeat.
Elsewhere in League One, Gillingham took advantage of Walsall not being in action due to international call-ups to climb to the top of the table.
They had to come from behind against Bury though, with Leon Clarke giving the visitors an early lead.
Gillingham responded quickly through Dominic Samuel and John Egan, with Emmanuel Osadebe wrapping up a 3-1 victory late on.
Coventry moved second as they also won 3-1, with Jacob Murphy playing a starring role against former side Colchester.
The on-loan Norwich winger netted twice against the club he finished last season at, with Marc-Antoine Fortune scoring the third, cancelling out Macauley Bonne’s opener.
Wigan extended their unbeaten league run to ten matches as they comfortably saw off Rochdale 2-0 in Saturday’s early kick-off.
A goal in either half from Jason Pearce and Michael Jacobs helped the Latics to victory and also keeps them within touching distance of the top two.
Bradford put some pressure on Bury for the final play-off spot, following a 2-0 win against Crewe that leaves them outside on goal difference.
Gary Liddle’s goal on the cusp of half-time as well as a second half Billy Clarke strike helped the Bantams to a routine victory.
Defeat means Crewe remain bottom, and it was also a bad weekend for Barnsley as they slipped to an eighth league defeat on the bounce.
Ajay Leitch-Smith and Sam Foley gave Port Vale a two-goal cushion and, although Sam Winnall netted a consolation, the Tykes fell to defeat.
Fleetwood dropped to 22nd place as they suffered a 2-1 defeat at Peterborough, who are now three points off the play-off places.
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