Kurt Zouma says it is premature to say Chelsea have "turned a corner" when it comes to defending after they kept consecutive clean sheets.
The Blues played out goalless draws against Sevilla and Manchester United last week - a defensive improvement on the previous week's 3-3 tie with Southampton.
Zouma has warned they cannot afford to believe they have solved all of their problems at the back but is confident they can maintain this run when they take on Krasnodar in the Champions League on Wednesday.
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"I don’t think we can talk about turning a corner, we are just trying to do our best every game," he told reporters.