diff --git a/db/tests.db b/db/tests.db
index d04fd4aa..12ebef95 100644
--- a/db/tests.db
+++ b/db/tests.db
@@ -137,6 +137,7 @@ FIRE-4530:test:security:firewalls:FreeBSD:Check IPFW status:
 FIRE-4532:test:security:firewalls::Check Mac OS X application firewall:
 FIRE-4536:test:security:firewalls:Linux:Check nftables status:
 FIRE-4538:test:security:firewalls:Linux:Check nftables basic configuration:
+FIRE-4540:test:security:firewalls:Linux:Test for empty nftables configuration:
 FIRE-4590:test:security:firewalls::Check firewall status:
 HRDN-7220:test:security:hardening::Check if one or more compilers are installed:
 HRDN-7222:test:security:hardening::Check compiler permissions: