Invitation bug?

I was able to accept an invitation to a repo from a different email address. The process is as follows:

• I was logged into my bitbucket account under 'abc@gmail.com'
• I received an invitation to a bitbucket repo under my work email 'xyz@work.net'
• While still logged into bitbucket under 'abc@gmail.com' account, I clicked on the invitation sent to 'xyz@work.net', I now have the repo under 'abc@gmail.com' account.

Not sure if this is intended.