"We'll see what happens, but we're not in any doubt as to our capacities," he told reporters. "It has been a bit tough recently, but there are always tough periods in a season and you just have to figure out how to get through them.
"The win tonight makes our recent run of draws look a lot more respectable and it was great to keep a clean sheet after conceding six in our last three matches.
"We need to keep up the good work when we travel to Valenciennes [on April 12]. We know it will be tough, like all our matches at the moment."
Lyon are level on points with Saint-Etienne but a place behind in fourth on goal difference.