diff --git a/blue-theme/right.cgi b/blue-theme/right.cgi
index 86e6e4718..3f34c5724 100755
--- a/blue-theme/right.cgi
+++ b/blue-theme/right.cgi
@@ -114,7 +114,8 @@ if ($level == 0) {
 		foreach $m (@mounted) {
 			if ($m->[2] eq "ext2" || $m->[2] eq "ext3" ||
 			    $m->[2] eq "reiserfs" || $m->[2] eq "ufs" ||
-			    $m->[2] eq "zfs" ||$m->[1] =~ /^\/dev\//) {
+			    $m->[2] eq "zfs" || $m->[2] eq "simfs" ||
+			    $m->[1] =~ /^\/dev\//) {
 				($t, $f) = &mount::disk_space($m->[2], $m->[0]);
 				$total += $t*1024;
 				$free += $f*1024;