A short-lived bug on Friday caused Facebook to switch countless profiles to a commemorative status, which is meant to preserve someone’s social media presence after their death.

Included in the erroneous sudden mass exodus was none other that Facebook CEO Mark Zuckerberg, whose profile read: “We hope people who love Mark will find comfort in the things others share to remember and celebrate his life.”

A Facebook spokesperson acknowledged the bug in a statement set to Variety Friday afternoon:

“For a brief period today, a message meant for memorialized profiles was mistakenly posted to other accounts. This was a terrible error that we have now fixed. We are very sorry that this happened and we worked as quickly as possible to fix it.”

The mishap ironically led to a flood of users taking to Twitter to declared that they are, in fact, still alive.

The memorial feature was introduced by Facebook in 2015 because of a number of high-profile cases where family wanted to access the social accounts of deceased loved ones.

User can opt to have their account turn into a memorial page upon their death, where Facebook contacts can leave message and share memories.

An alternative option is to have your account deleted after your death.