Striker Charlie Austin notched his seventh goal in seven games as Swindon capitalised on Yeovil's defensive frailties to win 3-1 at the Country Ground.
It was the visitors, though, who began strongly and had three efforts cleared off the Swindon line in the first 15 minutes.
But against the run of play Jon-Paul McGovern sent a pinpoint cross to Billy Paynter, whose header fired Swindon into the lead.
Paynter turned provider in the 22nd minute as his persistence set up Simon Ferry for a flick which Austin eased into the net.
A miss-hit Michael Timlin cross looped over David Lucas four minutes later to give Yeovil hope five minutes later.
But the Glovers fell further behind moments into the second half as more defensive hesitancy gifted a goal to Danny Ward, who fired into the bottom corner.
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