an error fix

Author git <vivec@telvanni.eu>
Author date 2018-06-02 07:02:04
Author local date 2018-06-02 09:02:04 +0200
Committer git <vivec@telvanni.eu>
Committer date 2018-06-02 07:02:04
Committer local date 2018-06-02 09:02:04 +0200
Commit 04e30952679f014c296a6aa165c63e756adb312e
Tree 36f3eab3b49c29c7e0851037823c120548d625b4
Parent a44b00b6d185bbf105ef1f96058270a25bc126d0
an error fix