Club Brugge boss Nicky Hayen lashed out at his own players and accused them of having an attitude problem ahead of this month's Champions League showdown with Celtic.
The Hoops face the Belgian cracks at Parkhead after their superb success against RB Leipzig last week.
But while Celtic sit joint top of the table with Aberdeen, Club Brugge are six points off the pace in the Belgian League behind leaders Genk.
And Hayen was furious his side threw away a two-goal lead to bottom-of-the-table Beerschot.
He said: "We clearly have an attitude problem.
"We were two goals up and it seemed like it was too easy. We woke up again when they made it 2-2, but it was too late.
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"And we shot ourselves in the foot.
"It's not the first time this season we have taken our foot off the gas pedal. I made it very clear at the break not to take it easy, but that's exactly what they did.
"There's a problem with the players' attitude."
