diff --git a/.mc-lists.el b/.mc-lists.el
index 4d9e19b..4d5ff41 100644
--- a/.mc-lists.el
+++ b/.mc-lists.el
@@ -12,6 +12,7 @@
         c-indent-line-or-region
         delete-indentation
         drag-stuff-down
+        downcase-region
         electric-newline-and-maybe-indent
         gpolonkai/move-to-beginning-of-line
         gpolonkai/move-to-end-of-line