diff --git a/root/etc/fstab.script b/root/etc/fstab.script
new file mode 100755
index 0000000..adf95ab
--- /dev/null
+++ b/root/etc/fstab.script
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+gawk -i inplace '$2 == "/boot/efi" { $4 = $4",umask=0077,shortname=winnt" } { print $0 }' /etc/fstab