Bukkit

What steps will reproduce the problem?
1. I am using Nick Namer, so first nickname yourself. ex. /nick Hello
2. Disguise as any mob. ex. /md sheep
2. Get a player to hit you and undisguise you

What is the expected output? What do you see instead?
Your nickname will be reset. It should not reset.

What version of the product are you using?
1.81

Do you have an error log of what happened?
No errors

Please provide any additional information below.