diff --git a/TODO b/TODO
index f24e526d3..d10e25ae6 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,7 @@
 restore djgpp, eventually
 merge TODO lists
 add unit tests for lib/*.c
+rewrite du.c not to use explicit recursion
 
 strip: add an option to specify the program used to strip binaries.
   suggestion from Karl Berry