diff --git a/.zshrc b/.zshrc
index 5f01142..5e37580 100644
--- a/.zshrc
+++ b/.zshrc
@@ -97,6 +97,7 @@ function proj {
 
 alias e='$EDITOR'
 alias s="du -sh"
+alias sd="du -hd 1"
 
 alias tmux="tmux -2"