Listener-wallet

version oracle 11.2.0.2Centos adn Windows 2003 server

I have a configuration for wallet in sqlnet.ora en Linux centos and Windows 2003 Server like.
ENCRYPTION_WALLET_LOCATION=(SOURCE=(METHOD=FILE)(METHOD_DATA=(DIRECTORY=/home/oracle/app/oracle/product/11.2.0/dbhome_1/wallets))))
 

it happens when I start listener, it don't start, i should comment this line in sqlnet.ora
#ENCRYPTION_WALLET_LOCATION=(SOURCE=(METHOD=FILE)(METHOD_DATA=(DIRECTORY=/home/oracle/app/oracle/product/11.2.0/dbhome_1/wallets))))
and the listener start  correct, and then I remove the simbol #:
ENCRYPTION_WALLET_LOCATION=(SOURCE=(METHOD=FILE)(METHOD_DATA=(DIRECTORY=/home/oracle/app/oracle/product/11.2.0/dbhome_1/wallets))))

Couldl yuo help me how I avoid this comment and uncomment.