diff --git a/lib/Diskstats.pm b/lib/Diskstats.pm
index c51e0b26..421753ab 100644
--- a/lib/Diskstats.pm
+++ b/lib/Diskstats.pm
@@ -48,7 +48,7 @@ sub new {
       device_regex       => qr/.+/,
       block_size         => 512,
       out_fh             => \*STDOUT,
-      filter_zeroed_rows => $o->get('zero-rows') ? undef : 1,
+      zero_rows          => $o->get('zero-rows') ? 1 : undef,
       sample_time        => $o->get('sample-time') || 0,
       interactive        => 0,
 
@@ -122,14 +122,14 @@ sub set_first_ts {
    $self->{_ts}->{first} = $val || 0;
 }
 
-sub filter_zeroed_rows {
+sub zero_rows {
    my ($self) = @_;
-   return $self->{filter_zeroed_rows};
+   return $self->{zero_rows};
 }
 
-sub set_filter_zeroed_rows {
+sub set_zero_rows {
    my ($self, $new_val) = @_;
-   $self->{filter_zeroed_rows} = $new_val;
+   $self->{zero_rows} = $new_val;
 }
 
 sub sample_time {
@@ -861,7 +861,7 @@ sub print_header {
 
 sub print_rows {
    my ($self, $format, $cols, $stat) = @_;
-   if ( $self->filter_zeroed_rows() ) {
+   if ( ! $self->zero_rows() ) {
       # Conundrum: What is "zero"?
       # Is 0.000001 zero? How about 0.1?
       # Here the answer is "it looks like zero after formatting";
diff --git a/lib/DiskstatsMenu.pm b/lib/DiskstatsMenu.pm
index d58e7941..e22e89f4 100644
--- a/lib/DiskstatsMenu.pm
+++ b/lib/DiskstatsMenu.pm
@@ -296,7 +296,7 @@ sub help {
    my $device_re   = $args{options}->{OptionParser}->get('devices');
    my $interval    = $obj->sample_time() || '(none)';
    my $disp_int    = $args{options}->{OptionParser}->get('redisplay-interval');
-   my $inact_disk  = $obj->filter_zeroed_rows() ? 'yes' : 'no';
+   my $inact_disk  = $obj->zero_rows() ? 'no' : 'yes';
 
    for my $re ( $column_re, $device_re ) {
       $re ||= '(none)';
@@ -368,10 +368,8 @@ sub hide_inactive_disks {
    my (%args)  = @_;
    my $new_val = get_blocking_input("Filter inactive rows? (Leave blank for 'No') ");
 
-   # Eeep. In OptionParser, "true" means show; in Diskstats, "true" means hide.
-   # Thus !$new_val for OptionParser
    $args{options}->{OptionParser}->set('zero-rows', !$new_val);
-   $args{options}->{current_group_by_obj}->set_filter_zeroed_rows($new_val);
+   $args{options}->{current_group_by_obj}->set_zero_rows(!$new_val);
 
    return;
 }
diff --git a/t/lib/Diskstats.t b/t/lib/Diskstats.t
index 93d1e31c..3b960f41 100644
--- a/t/lib/Diskstats.t
+++ b/t/lib/Diskstats.t
@@ -41,14 +41,14 @@ can_ok( $obj, qw(
 # Test the constructor
 use File::Temp ();
 for my $attr (
-      [ filename           => (File::Temp::tempfile($0.'diskstats.XXXXXX', OPEN=>0, UNLINK=>1))[1]],
-      [ column_regex       => qr/!!!/                ],
-      [ device_regex       => qr/!!!/                ],
-      [ block_size         => 215                    ],
-      [ out_fh             => \*STDERR               ],
-      [ filter_zeroed_rows => 1                      ],
-      [ sample_time        => 1                      ],
-      [ interactive        => 1                      ],
+      [ filename     => (File::Temp::tempfile($0.'diskstats.XXXXXX', OPEN=>0, UNLINK=>1))[1]],
+      [ column_regex => qr/!!!/  ],
+      [ device_regex => qr/!!!/  ],
+      [ block_size   => 215      ],
+      [ out_fh       => \*STDERR ],
+      [ zero_rows    => 1        ],
+      [ sample_time  => 1        ],
+      [ interactive  => 1        ],
    ) {
    my $attribute   = $attr->[0];
    my $value       = $attr->[1];
@@ -221,7 +221,7 @@ is_deeply(
    "...And clears the internal duplicate-checking list"
 );
 
-$obj->set_filter_zeroed_rows(1);
+$obj->set_zero_rows(0);
 my $print_output = output(
    sub {
       $obj->print_rows(
@@ -231,12 +231,12 @@ my $print_output = output(
          );
    }
 );
-$obj->set_filter_zeroed_rows(0);
+$obj->set_zero_rows(1);
 
 is(
    $print_output,
    "",
-   "->filter_zeroed_rows works"
+   "->zero_rows works"
 );
 
 for my $method ( qw( delta_against delta_against_ts group_by ) ) {
@@ -291,7 +291,7 @@ for my $test (
          method              => "group_by_sample",
          results_file_prefix => "sample",
       }) {
-   my $obj    = $test->{class}->new(OptionParser => $o, filter_zeroed_rows => 0);
+   my $obj    = $test->{class}->new(OptionParser => $o, zero_rows => 1);
    my $method = $test->{method};
    my $prefix = $test->{results_file_prefix};