Sami Khedira is confident that Juventus's poor showing at Genoa was a one-off, but says the defeat must act as a warning that the Serie A champions have to step up their game.
Juve were outfought at Stadio Luigi Ferraris and found themselves 3-0 down inside half an hour, with Miralem Pjanic's late strike proving a mere consolation.
Massimiliano Allegri's men still hold a four-point lead over Roma and AC Milan at the top of the table, but midfielder Khedira says Juve must start to win with style – starting at home to Atalanta on Saturday.
"Everyone knows that we should have played much better in the first 30 minutes against Genoa.