diff --git a/aliases/main.sh b/aliases/main.sh
index d232e31..08ef18d 100644
--- a/aliases/main.sh
+++ b/aliases/main.sh
@@ -13,7 +13,7 @@ alias cp="cp -rv"
 alias free="free -h"
 alias du="du -h"
 alias df="df -hT" # T: show filesystem type
-alias dfo="df | grep -v tmpfs"
+alias dfo="df | grep -vE 'tmpfs|overlay'"
 
 # Systemctl
 alias sctl="systemctl"