diff --git a/mount/mount-lib.pl b/mount/mount-lib.pl
index 7a3ab1261..4ad45fc16 100644
--- a/mount/mount-lib.pl
+++ b/mount/mount-lib.pl
@@ -298,7 +298,7 @@ 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->[2] eq "simfs" ||
-	    $m->[2] eq "xfs" ||
+	    $m->[2] eq "xfs" || $m->[2] eq "jfs" ||
 	    $m->[1] =~ /^\/dev\// ||
 	    &indexof($m->[1], @$always) >= 0) {
 		if ($m->[1] =~ /^zones\/([^\/]+)/ &&