"It's always nerve-wracking on debut, but the fact I had an early save to make made it much better," he added. "We have a good squad with a good manager here."
And Gueret - whose previous clubs include Le Mans, Millwall and Swansea City - revealed his disappointment at the circumstances surrounding his departure from the Dons on a free transfer earlier this month.
"I don't really know what happened. All I know is I was told I had to leave, no particular reason," Gueret said.
"It was a hard six months because I was training hard and didn't get a sniff. I just wanted to play some games.
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