diff --git a/debian/post.install.ovh.sh b/debian/post.install.ovh.sh
index 9d6363f..15f6e2b 100755
--- a/debian/post.install.ovh.sh
+++ b/debian/post.install.ovh.sh
@@ -35,10 +35,10 @@ apt update
 apt --assume-yes install -- wget
 
 # Remove last partition with all free space
-umount /dev/sys/free
-lvremove --force /dev/sys/free
+umount /mnt/free
+lvremove --force /dev/mapper/vg-free
 /bin/rmdir --force -- /mnt/free
-/bin/sed --in-place -- '/lv_free/d' /etc/fstab
+/bin/sed --in-place -- ';/mnt/free;d' /etc/fstab
 
 # Allow root connection with password
 /bin/sed --in-place -- 's/\(^\|^\#\)\(PermitRootLogin\).*/\2 yes/g' /etc/ssh/sshd_config