diff --git a/library/packaging/rhn_register b/library/packaging/rhn_register
index 085c692274..177f5b7d02 100644
--- a/library/packaging/rhn_register
+++ b/library/packaging/rhn_register
@@ -190,7 +190,7 @@ class Rhn(RegistrationBase):
             Returns: str
         '''
         url = urlparse.urlparse(self.config['serverURL'])
-        return url.netloc.replace('xmlrpc.','')
+        return url[1].replace('xmlrpc.','')
 
     @property
     def systemid(self):