diff --git a/TODO b/TODO
index 1266c3245..6185b69ed 100644
--- a/TODO
+++ b/TODO
@@ -6,6 +6,7 @@
  * Implement desktop video mode change notification?
  * Implement icon support (with translucency?)
  * Add draw blend mode and line drawing support for win32
+ * Add diagonal line clipping to SDL_IntersectRectAndLine()
  * Have Bob look at why DirectColor visuals fail with XA_RGB_BEST_MAP error
  * Verify mouse grab support
  * Properly handle mouse grab with Vista DPI scaling