diff --git a/zshrc_t440 b/zshrc_t440
index 45b205d..b9c2845 100644
--- a/zshrc_t440
+++ b/zshrc_t440
@@ -371,6 +371,7 @@ else
   alias scat='sudo cat'
   alias sgrep='sudo grep'
   alias cpu='sudo cpu'
+  alias cpu='sudo backlight'
 fi
 
 # global alias