Elon Musk scored a legal victory in his battle against Twitter on Wednesday when a Delaware judge said she would let him add claims from a whistleblower to his countersuit against the social media giant — but denied the mogul’s request to delay the trial. 

Musk, who is gunning to get out of his agreement to buy Twitter for $44 billion, will be allowed to add claims made by whistleblower Peiter “Mudge” Zatko to his countersuit against Twitter, Delaware Court of Chancery Chancellor Kathaleen McCormick said in a legal filing seen by The Post. 

Zatko has accused Twitter of several misdeeds including having lackluster security protocols and “lying about bots” to Musk. He’s set to set to testify to a Senate panel on Sept. 13.

The Post first reported Musk’s plans to use Zatko’s allegations in a bid to delay the trial.