Les Bleus, who were knocked out in the first round in South Africa following some risible performances on and off the pitch, have dramatically improved up front although they looked shaky at the back in Friday's 2-1 win in Albania.
Coach Laurent Blanc, however, refused to panic.
"We had a very very tricky second half... but we should not be that negative. We did win that game, right?," Blanc asked reporters.
"It was a much better performance that [last year] against Belarus," he added referring to France 1-0 home defeat to Belarus in their Group D opener.
"I said before the game that a good defence was important. We should have been better [against Albania]," said Blanc.
"[Sagna] is much better. Will he be at 100 percent? We can think so. I hope he will be fit," said Blanc, who could also be tempted to grant Marvin Martin a starting spot in place of the disappointing Florent Malouda in the midfield.
Coach Victor Piturca, who returned to the national team in the summer, was optimistic about Romania's chances against France, despite losing Gabriel Torje, who scored both goals in Luxembourg, to suspension.
"For my debut to be a success we must have a good result against France," Piturca told Romania's ProTV.
"Any player that walks on the field against France must be motivated. I think... we could have a good result."
