Thomas Muller admitted Bayern Munich failed to show their "killer mentality" in Sunday's 2-0 Bundesliga win over Augsburg.
The reigning champions secured the victory at the Allianz Arena thanks to a stylish volley from Muller early in the second half and Leon Goretzka's deft finish late on.
However, Hansi Flick's men were far from their fluent best against an Augsburg side who stifled their hosts' attacking threat and had chances of their own.
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"We have missed the killer mentality," Muller told Sky Sport in Germany.