diff --git a/scripts/integrate-distro.sh b/scripts/integrate-distro.sh
index da936e51..20d5a0b4 100644
--- a/scripts/integrate-distro.sh
+++ b/scripts/integrate-distro.sh
@@ -820,7 +820,7 @@ mount_devices()
 
 unmount_devices()
 {
-	local devices="$ssh_auth_sock /srv/ftp /proc /sys /dev /boot /"
+	local devices="$ssh_auth_sock /srv/ftp /proc/fs/nfsd /proc /sys /dev /boot /"
 	[ "$1" ] && devices="$@"
 	local sync=/usr/bin/sync
 	[ -x $root/$sync ] || sync=""
@@ -828,6 +828,7 @@ unmount_devices()
 	for d in $devices; do
 		check_mount $d && {
 			[ "$sync" -a -e $root$d -a $d != $ssh_auth_sock ] && run $sync -f $root$d
+			[ "$d" = /dev ] && sleep 2 # need to do this, otherwise dev is busy, no idea why
 			run umount $root$d
 		}
 	done