The Russian government isn't happy with Musk.
If I die under mysterious circumstances, it's been nice to know that, according to the billionaire.
Satellites are used to provide high-speed internet around the world.
Musk sent in Starlink to help fix the internet in Ukraine after Russia invaded the country.
Mykhailo Fedorov, the country's deputy prime minister, said that Starlink has 150,000 active users per day.
The head of the Russian state space agency didn't like Starlink's presence in Ukraine.
He said in a post on the Telegram messenger app that he was involved in supplying fascist forces in Ukraine with military communication equipment.
No matter how much you play the fool, you will be held accountable.
A short clip of Musk jokingly posing in front of photographers as he arrived at the Met Gala in New York with his mother was accompanied by his words on Sunday.
Musk's mom, Maye Musk, weighed in on her son's situation on Monday, telling him that she didn't approve of his joke about dying a suspicious death.
Musk replied that he would do his best to stay alive.
On Monday, he responded to Musk on his own social media accounts.
Nobody needs you. He said to stop fooling around.
He said that he couldn't congratulate you on this holiday after what you did to the Ukrainian Nazis. Think, which side are you on?
The false claims that Ukraine is being governed by a fascist or Nazi regime have been criticized in the West as an attempt to justify Moscow's invasion.
The Kremlin has continuously made claims that it is trying to get rid of Ukrainians in the country.
Western governments have rejected Moscow's claims about Nazism.
In March, the U.S. President Joe Biden criticized his Russian counterpart.
Russia celebrates Victory Day on May 9 to commemorate the end of World War II. Political leaders in Moscow watch military parades on the day.