diff --git a/bench.sh b/bench.sh
index 9f4ae15..ba9d524 100644
--- a/bench.sh
+++ b/bench.sh
@@ -103,8 +103,8 @@ arch=$( uname -m )
 lbit=$( getconf LONG_BIT )
 kern=$( uname -r )
 ipv6=$( wget -qO- -t1 -T2 ipv6.icanhazip.com )
-disk_size1=($( LANG=C df -ahPl | grep -wvE '\-|none|tmpfs|by-uuid|Filesystem' | awk '{print $2}' ))
-disk_size2=($( LANG=C df -ahPl | grep -wvE '\-|none|tmpfs|by-uuid|Filesystem' | awk '{print $3}' ))
+disk_size1=($( LANG=C df -ahPl | grep -wvE '\-|none|tmpfs|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $2}' ))
+disk_size2=($( LANG=C df -ahPl | grep -wvE '\-|none|tmpfs|devtmpfs|by-uuid|chroot|Filesystem' | awk '{print $3}' ))
 disk_total_size=$( calc_disk ${disk_size1[@]} )
 disk_used_size=$( calc_disk ${disk_size2[@]} )