diff --git a/initramfs/static/busybox-i486 b/initramfs/static/busybox-i486
index 44bc2db..6bc3421 100755
Binary files a/initramfs/static/busybox-i486 and b/initramfs/static/busybox-i486 differ
diff --git a/initramfs/static/busybox-x86_64 b/initramfs/static/busybox-x86_64
index 2c5792e..17f8e8d 100755
Binary files a/initramfs/static/busybox-x86_64 and b/initramfs/static/busybox-x86_64 differ
diff --git a/livekitlib b/livekitlib
index 476a0ae..7ca6a34 100644
--- a/livekitlib
+++ b/livekitlib
@@ -297,9 +297,9 @@ copy_to_ram()
    DM="$(mounted_device "$1" | cut -d : -f 2-)"
    RAM="$DM.ram"
    echo "* Copying $LIVEKITNAME data to RAM..." >&2
-   cp -a $DM $RAM
+   cp -a "$DM" "$RAM"
    echo "$RAM/$LIVEKITNAME"
-   umount -n $DM
+   umount "$DM"
 }
 
 # Mount squashfs filesystem bundles