diff --git a/todo.txt b/todo.txt
index 2c5beab06f..b87a11f4d5 100644
--- a/todo.txt
+++ b/todo.txt
@@ -11,6 +11,8 @@
 
 - Main menu can be closed permanently.
 
+- Combo box popup menu cannot reach top of the screen.
+
 - Draggable combo boxes.
 
 - 'New game' dialog is broken again.