Adding MS Project 2013 key to KMS server

Hello,

We just recently got a KMS key for MS project, and when I attempted to add the key to the KMS server, it causes the Office Professional Plus 2013 key to become unlicensed.  I understand Project is an office product, and I have an active KMS key for Office Professional Plus 2013, does this mean that key is what will be used to activate Project?

Thank You,

Thad