diff -Naur e-smith-backup-2.2.0-orig/root/etc/e-smith/web/functions/backup e-smith-backup-2.2.0/root/etc/e-smith/web/functions/backup
--- e-smith-backup-2.2.0-orig/root/etc/e-smith/web/functions/backup	2010-06-07 16:19:19.056134825 +0200
+++ e-smith-backup-2.2.0/root/etc/e-smith/web/functions/backup	2010-06-07 16:19:45.212888963 +0200
@@ -1217,11 +1217,16 @@
 
     if ( $VFSType eq 'usb' ) {
         foreach my $udi (qx(hal-find-by-property --key volume.fsusage --string filesystem)) {
-        $udi =~ m/^(\S+)/;
-        my $vollbl = qx(hal-get-property --udi $1 --key volume.label);
-        $vollbl =~ m/^(\S+)/;
-        if ($vollbl =~ /^\s/) {$vollbl = 'nolabel';}
-        push @usbdisks, $vollbl;
+            $udi =~ m/^(\S+)/;
+
+            my $is_mounted = qx(hal-get-property --udi $1 --key volume.is_mounted);
+
+            if ($is_mounted eq "false\n") {
+                my $vollbl = qx(hal-get-property --udi $1 --key volume.label);
+                $vollbl =~ m/^(\S+)/;
+                if ($vollbl =~ /^\s/) {$vollbl = 'nolabel';}
+                push @usbdisks, $vollbl;
+            }
         }
 
         unless ($usbdisks[0]){