diff --git a/ansi-tests/TODO b/ansi-tests/TODO
index 9d6caccf2f1b0e491303fcb51ff33ad9c7970dc9..d1554f1c4e015b812c5d4391e3decc6b20bfbc65 100644
--- a/ansi-tests/TODO
+++ b/ansi-tests/TODO
@@ -69,3 +69,6 @@ Got:      (2 NULL)
     update-counter))
 Expected: 1
 Got:      0
+
+20. Add destructuring-bind and destructuring macro lambda list tests
+  for key and optional arguments, if they do not already exist