an error fix

Author git <vivec@telvanni.eu>
Author date 2018-06-02 07:02:15
Author local date 2018-06-02 09:02:15 +0200
Committer git <vivec@telvanni.eu>
Committer date 2018-06-02 07:02:15
Committer local date 2018-06-02 09:02:15 +0200
Commit e4c189643be32f5acd3eeaf0f56ba085eba606a6
Tree 5738e3eabf41e25dc2139915724c49ffd7433dd7
Parent 04e30952679f014c296a6aa165c63e756adb312e
an error fix