diff --git a/sbin/pfctl/tests/files/pf1024.in b/sbin/pfctl/tests/files/pf1024.in
new file mode 100644
--- /dev/null
+++ b/sbin/pfctl/tests/files/pf1024.in
@@ -0,0 +1 @@
+pass in inet af-to inet6 from 2001:db8::1
diff --git a/sbin/pfctl/tests/files/pf1024.ok b/sbin/pfctl/tests/files/pf1024.ok
new file mode 100644
--- /dev/null
+++ b/sbin/pfctl/tests/files/pf1024.ok
@@ -0,0 +1 @@
+pass in inet all flags S/SA keep state af-to inet6 from 2001:db8::1
diff --git a/sbin/pfctl/tests/pfctl_test_list.inc b/sbin/pfctl/tests/pfctl_test_list.inc
--- a/sbin/pfctl/tests/pfctl_test_list.inc
+++ b/sbin/pfctl/tests/pfctl_test_list.inc
@@ -132,3 +132,4 @@
 PFCTL_TEST(1021, "Endpoint-independent")
 PFCTL_TEST(1022, "Test received-on")
 PFCTL_TEST(1023, "Test match log(matches)")
+PFCTL_TEST(1024, "nat64")