Veteran goalkeeper Ingrid Hjelmseth says the Norway team must tighten up at the back ahead of their Women's World Cup opener against Nigeria in Reims.
The Grasshoppers recorded five wins in seven pre-Women's World Cup friendlies played in 2019, scoring 19 goals but let in seven in the process.
To wrap up their buildup, the 1995 winners were inspired by Isabell Herlovsen's hat-trick to thrash Africa Women's Cup of Nations runners-up South Africa 7-2 in Amiens on Sunday.
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Despite their big win over the Africans, the 39-year-old shot-stopper has warned her side against conceding too many goals to avoid ruining their own dreams.