diff --git a/hwinfo/src/ids/convert_hd b/hwinfo/src/ids/convert_hd
index c12810e..83d47b7 100755
--- a/hwinfo/src/ids/convert_hd
+++ b/hwinfo/src/ids/convert_hd
@@ -609,7 +609,7 @@ sub read_driver_file
   my $rdf_save_drv = sub
   {
     if($drv_type) {
-      push @hd, [ @drv ] if defined @drv;
+      push @hd, [ @drv ] if @drv;
       @drv = ( "$file_name($line)" );
       $drv[2][$he_driver] = [ $flag_string ];
       $drv_type = undef;