Rudy GiulianiRudy GiulianiSenate rejects subpoenaing Mulvaney to testify in impeachment trial GOP rejects effort to compel documents on delayed Ukraine aid Citizens United put out a welcome mat for Lev Parnas and Igor Fruman MORE called President TrumpDonald John TrumpRouhani says Iran will never seek nuclear weapons Trump downplays seriousness of injuries in Iran attack after US soldiers treated for concussions Trump says Bloomberg is 'wasting his money' on 2020 campaign MORE this week to say he had been joking when he said he had an “insurance policy” in case the president turned on him, Giuliani’s attorney told Reuters on Wednesday.

Robert Costello told the news service that he insisted his client make the call after Giuliani said in a televised interview that he had an “insurance policy, if thrown under the bus.”

Giuliani has claimed the comments were sarcastic but also implied he was referring to possessing incriminating information on former Vice President Joe BidenJoe BidenSanders joins Biden atop 2020 Democratic field: poll The Hill's Morning Report - Trump trial begins with clashes, concessions Trump says impeachment lawyers were 'really good' MORE rather than Trump.

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"He shouldn’t joke, he is not a funny guy," Costello told Reuters. "I told him, 'Ten thousand comedians are out of work, and you make a joke. It doesn’t work that way.'"

The claim comes as Trump, while maintaining that Giuliani is “a great guy,” has denied that his personal attorney’s dealings in Ukraine, which have been thrust into the spotlight amid the House impeachment inquiry, were at Trump’s behest.

That contradicts Ambassador to the European Union Gordon SondlandGordon SondlandSenate rejects subpoenaing Mulvaney to testify in impeachment trial The Memo: Day One shows conflicting narratives on impeachment GOP rejects effort to compel documents on delayed Ukraine aid MORE, who testified before the House Intelligence Committee that Trump directed him, former envoy to Ukraine Kurt VolkerKurt VolkerGOP rejects effort to compel documents on delayed Ukraine aid GOP chairmen seek interview with Obama officials as part of Biden-Ukraine probe Push to investigate Bidens sets up potential for Senate turf war MORE and Energy Secretary Rick PerryRick PerrySunday shows preview: Lawmakers gear up for Senate impeachment trial Parnas pressure grows on Senate GOP Overnight Energy: Appeals court tosses kids' climate suit | California sues Trump over fracking | Oversight finds EPA appointees slow-walked ethics obligations MORE to work with Giuliani on matters related to Ukraine.

Costello said that Trump and Giuliani’s relationship has not changed in recent weeks, telling Reuters that “they speak all the time.”