diff --git a/TODO b/TODO
index b9ee1785..91a9a8d7 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,6 @@
+- the old, deprecated cmdline interface needs to use VipsFormat directly
+  rather than calling im_open() to make sure it gets the old behaviour
+
 - test vips_foreign_load_vips_get_flags(), sense inverted?
 
   we have various printf()s left in the byteswap codepath
@@ -6,8 +9,6 @@
 
   test load/save jpeg buffer
 
-  add print mime convenience function, handy for testing
-
   leaktest