@@ -146,12 +146,11 @@ func (args NodeArgs) BuildSerializeableNodeConfig() (*configapi.NodeConfig, erro

 // defaultHostname returns the default hostname for this system.

 func defaultHostname() (string, error) {

-

 	// Note: We use exec here instead of os.Hostname() because we

 	// want the FQDN, and this is the easiest way to get it.

 	fqdn, err := exec.Command("hostname", "-f").Output()

 	if err != nil {

 		return "", fmt.Errorf("Couldn't determine hostname: %v", err)

 	}

-	return strings.TrimSpace(string(fqdn)), nil

+	return strings.ToLower(strings.TrimSpace(string(fqdn))), nil

 }