The Bayern Munich man has warned his team-mates to show that they belong in the final stages of the World Cup ahead of their match with Algeria
Phillip Lahm has called on Germany to prove they are "a great team" as they prepare for their World Cup last-16 match with Algeria.
Germany topped Group G after thrashing Portugal 4-0, drawing 2-2 with Ghana and beating the United States 1-0, though their final two performances failed to reach the high standard of their opening rout of the Seleccao.
In a tournament full of surprises, Lahm is keen that Germany do not join some of the other big names to have already returned home.
"We don't want to have the problems the other teams had," the captain began, speaking in a press conference on Sunday. "Maybe try to end [the match] before the 90[th minute]. These so-called 'small' countries imposed difficulties until now, so now we know how hard it can be.
"Germany has won three World Cups, not so many teams have done that. We have great potential, tomorrow we'll see if that's enough. We have to play aggressively, like we did against the US.
"They say we're a great team, so we have to prove it on the pitch tomorrow."
Algeria have been one of the surprise packages of the tournament so far, having blown away South Korea before securing a 1-1 draw with Russia to book their place in the next round.
"We analysed them, we saw videos," Lahm said of his side's second-round opponents. "It's a team that wants to show that they deserve to be here in the round of 16. They don't want to lose a singe duel, and [they will] dispute every ball.
"You have to win, or go home. Algeria will go for the win, they want to show why they've got to here."
Despite urging his side not to underestimate Algeria, Lahm has called on his team-mates to be daring in attack as they look to "unleash" their own qualities in Porto Alegre.
"We want to unleash our performance, defend well, attack aggressively," said the Bayern Munich man.
"We have a series of players adapted to more positions. Football changed in the last few years, you need quick, skilled players; you need versatility. We have to look at every possibility, there's always an opponent that can surprise you, and beat you."