Bayern Munich coach Niko Kovac warned his team they would find themselves under heavy pressure against Liverpool unless they improved defensively.
The Bundesliga giants came from behind twice before claiming a 3-2 victory over Augsburg on Friday.
But Bayern's defending concerned Kovac ahead of the first leg of their Champions League last-16 tie against Liverpool at Anfield on Tuesday, with his side having now failed to keep a clean sheet in six games in 2019.
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"This [defensive mistakes] cannot happen to us at Liverpool," the Croatian told a news conference.
"When my players at Liverpool start letting people go, especially with the front three there [Mohamed Salah, Sadio Mane and Roberto Firmino], then we will find ourselves in a very dangerous situation every minute.