diff --git a/nt/.arch-inventory b/nt/.arch-inventory
new file mode 100644
index 00000000000..a2db727951f
--- /dev/null
+++ b/nt/.arch-inventory
@@ -0,0 +1,3 @@
+source ^subdirs\.el$
+
+# arch-tag: 01b87183-9d94-4b6b-93cb-fece25c4eec9