diff --git a/root/.profile.d/00_functions.conf b/root/.profile.d/00_functions.conf
index 9b6ab39..c8c6174 100644
--- a/root/.profile.d/00_functions.conf
+++ b/root/.profile.d/00_functions.conf
@@ -1,8 +1,7 @@
 # Hard Drive usage
 function hddtop() {
-    df -TPh \
-        | grep '^/dev' \
-        | grep -v squashfs \
+    LANG=C df -TPh \
+        | grep -vE '(squashfs|tmpfs|devtmpfs|^Filesystem)' \
         | sort -k 6,6 -n \
         | awk \
             -v red="$(tput setaf 1)" \