German manager, Joachim Low says they must be more vigorous in attack if they are to beat Portugal in their EUFA Euro 2020 group match tomorrow morning.
Germany earlier lost 1-0 to France while defending champions, Portugal beat Hungary 3-0.
Low says the ambition and the determination of the team remain exemplary.
Portugal's Cristiano Ronaldo became the all-time top European Championship goalscorer when he scored twice in their win over Hungary, taking his tally to 11.
Portugal is currently leading Group F with 3 points.
Germany takes on Portugal at 4am tomorrow.
In another Group F match tomorrow, World Cup Champion, France will face Hungary at 1am.
Meanwhile, Spain will take on Poland at 7am tomorrow.