[TYPO3-english] lost css file after real_url enable

[TSniper]

Hi all,

i'm using a fresh install under typo3 6.2.9 and everything is working fine, after i activated real_url, the css files is lost
this is the typoscript :

config.simulateStaticDocuments = 0
config.baseURL = http: //www.mydomain.net
config.tx_realurl_enable = 1
config.uniqueLinkVars = 1

the css link is wrong, and i don't know from where coming this additional slatches "%20/ /"
 http: //www.mydomain.net/%20//fileadmin/Ressources/Public/Styles/masmoudi.css

thanks