FTP mount can't delete folders

[PVince81]

Steps

1. Mount FTP storage
2. Create two directories, one with contents and one without
3. Try and delete both directories

Expected result

Directories deleted

Actual result

Deletion error for both directories

Server Versions

ownCloud Server: 6 Beta 4 on openSUSE 12.3
FTP server: vsftpd 2.3.5 on Ubuntu 12.04.3 LTS
Client: Chrome 30