Meta Platforms said it would appeal an $843 million European Commission fine for allegedly tying its classified-ads platform to Facebook, undermining competition.The commission on Thursday fined the Facebook owner 797.

The European Commission has ordered Meta to “bring the conduct effectively to an end,” but didn’t specify what actions should be taken. Meta was also hit with a record-breaking $1.3 billion fine by the EU last year for transferring the Facebook data of EU citizens to the US.

European enforcers accuse the tech giant of using its popular social network to unfairly advantage its classified ads business.

Meta was penalized by the EU for tying Facebook Marketplace to its social network, and for imposing unfair trading conditions on competitors.

European Union regulators hit Facebook parent Meta with a fine of nearly 800 million euros on Thursday for what it calls “abusive practices” involving its Marketplace online classified ads business.

Meta Platforms Inc. was hit with a €798 million ($841 million) fine by European Union regulators by tying its Facebook Marketplace service to its sprawling social network, the US tech giant’s first ever penalty for EU antitrust violations.