diff --git a/mxraid/mxraid_assemble b/mxraid/mxraid_assemble
index be43a8a..3d5bc18 100755
--- a/mxraid/mxraid_assemble
+++ b/mxraid/mxraid_assemble
@@ -14,7 +14,7 @@ import MxRaid::HostData;
 import MxRaid::Utils;
 import MxRaid::Color;
 
-my $VERSION = '1.1';
+my $VERSION = '1.2';
 
 sub exec_usage {
 
@@ -712,7 +712,7 @@ exit;
     my @ret;
     my $num = scalar @$dev_list;
     for (my $i=0; $i<$num; $i++) {
-      my ($dk) = $dev_list->[$i] =~ m|([^/]+)$|;
+      my ($dk) = $dev_list->[$i] =~ m|([^/]+)$|; # '/sys/block/sda' -> 'sda'
 
       my $model = sys_fs_get_prop('/sys/block/'.$dk.'/device/model');
       my $sizeb = sys_fs_get_prop('/sys/block/'.$dk.'/size') * 512;
@@ -735,7 +735,7 @@ exit;
         $serial_number =~ s/^\s+//;
       } else {
         if ($self->{root_priv}) {
-          $serial_number = smartctl_info($dev_list->[$i], 'Serial_Number');
+          $serial_number = smartctl_info('/dev/'.$dk, 'Serial_Number');
         } else {
           warn "# You must be root to query '$dk'.\n" if $self->{verbose} >= 1;
         }
@@ -801,6 +801,7 @@ exit;
       if ($parse) {
         my ($key, $val) = $_ =~ m/^([^:]+):\s*(.+)$/;
         next unless defined $key and defined $val;
+        $key =~ s/\s+/_/g;
         $smart_data{$key} = $val;
       }
     }