I am working with curlftpfs to mount a remote FTP directory locally in Kubuntu 12.04 64-bit.

I have the following entry in my /etc/fstab:

curlftpfs#ftp_user:ftp_password@ftp_server /mnt/nimh fuse ro,noexec,nosuid,nodev,noauto,user,allow_other,uid=1000,gid=1000 0 0

I have created the directory in /mnt with the following:

|-> ll /mnt
total 4.0K
drwxrwxr-x 2 jim fuse 4.0K Jan  6 09:56 nimh/

My user does belong to the fuse group as well:

uid=1000(jim) gid=1000(jim) groups=1000(jim),27(sudo),105(fuse)

I am able to mount manually without issue but then the /mnt changes to:

|-> mount /mnt/nimh
|-> ll /mnt
total 0
drwxr-xr-x 1 jim jim 1.0K Dec 31  1969 nimh/

However when I attempt to umount /mnt/nimh I receive:

umount: /mnt/nimh mount disagrees with the fstab

My /etc/mtab looks like:

curlftpfs#ftp://ftp_user:ftp_password@ftp_server/ /mnt/nimh fuse ro,noexec,nosuid,nodev,allow_other,user=jim 0 0

I am able to umount the filesystem without issue if I sudo. Any idea what I'm missing in order to be able to unmount without having to use sudo?