diff --git a/debian/changelog b/debian/changelog
index 5644d410..e26d4296 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,6 @@
 byobu (2.74) unreleased; urgency=low
 
-  * UNRELEASED
+  * usr/lib/byobu/disk_io: fix regex to support RAID devices, LP: #572855
 
  -- Dustin Kirkland <kirkland@ubuntu.com>  Wed, 28 Apr 2010 23:11:14 -0500
 
diff --git a/usr/lib/byobu/disk_io b/usr/lib/byobu/disk_io
index b5e30cb6..570883c3 100755
--- a/usr/lib/byobu/disk_io
+++ b/usr/lib/byobu/disk_io
@@ -26,7 +26,7 @@ case $MP in
 	/dev/*) disk="$MP" ;;
 	*) disk=$(grep -m 1 " $MP " /etc/mtab | sed -e "s: .*$::") ;;
 esac
-disk=$(echo "$disk" | sed -e "s: .*$::" -e "s:^.*/::" -e "s:[0-9]*$::")
+disk=$(echo "$disk" | sed -e "s: .*$::" -e "s:^.*/::" -e "s:\([hsv]d[a-z]\)[0-9]*$:\1:")
 
 if [ "$1" = "--detail" ]; then
 	if which iostat >/dev/null; then