diff --git a/todo.txt b/todo.txt
index d0dbff51b8..de10627333 100644
--- a/todo.txt
+++ b/todo.txt
@@ -39,3 +39,5 @@
 - Find some developer with a MacBook and $100 to publish the 'OpenTTD Webapp Launcher' to the Apple Store.
 
 - Fast forward button requires separate rendering thread, implement frameskip instead.
+
+- Ctrl screen button is getting stuck in the pressed state.