JBoss asks for HTTPS certificate passphrase when starting up

Issue

I have encrypted the SSLPassword as per DOC-63697, but when I start JBoss it asks for me the pass phrase:

Registration application to start...
Some of your private key files are encrypted for security reasons.
In order to read them you have to provide the pass phrases.
Enter password :
INFO  [ServerImpl] JBoss (Microcontainer) [5.1.0 (build: SVNTag=JBPAPP_5_1_0 date=201009150028)] Started in ...