diff --git a/lib/Diskstats.pm b/lib/Diskstats.pm
index 69dbf78a..ffc018c7 100644
--- a/lib/Diskstats.pm
+++ b/lib/Diskstats.pm
@@ -123,13 +123,15 @@ sub set_first_ts {
 }
 
 sub filter_zeroed_rows {
-   my ($self, $new_val) = @_;
-   if ( defined($new_val) ) {
-      $self->{filter_zeroed_rows} = $new_val;
-   }
+   my ($self) = @_;
    return $self->{filter_zeroed_rows};
 }
 
+sub set_filter_zeroed_rows {
+   my ($self, $new_val) = @_;
+   $self->{filter_zeroed_rows} = $new_val;
+}
+
 sub sample_time {
    my ($self, $new_val) = @_;
    if (defined($new_val)) {
diff --git a/lib/DiskstatsMenu.pm b/lib/DiskstatsMenu.pm
index 04bec396..a422ec8a 100644
--- a/lib/DiskstatsMenu.pm
+++ b/lib/DiskstatsMenu.pm
@@ -371,7 +371,7 @@ sub hide_inactive_disks {
    # Eeep. In OptionParser, "true" means show; in Diskstats, "true" means hide.
    # Thus !$new_val for OptionParser
    $args{options}->{OptionParser}->set('zero-rows', !$new_val);
-   $args{options}->{current_group_by_obj}->filter_zeroed_rows($new_val);
+   $args{options}->{current_group_by_obj}->set_filter_zeroed_rows($new_val);
 
    return;
 }
diff --git a/t/lib/Diskstats.t b/t/lib/Diskstats.t
index 4d7e4bb8..9033e4a5 100644
--- a/t/lib/Diskstats.t
+++ b/t/lib/Diskstats.t
@@ -221,7 +221,7 @@ is_deeply(
    "...And clears the internal duplicate-checking list"
 );
 
-$obj->filter_zeroed_rows(1);
+$obj->set_filter_zeroed_rows(1);
 my $print_output = output(
    sub {
       $obj->print_rows(
@@ -231,7 +231,7 @@ my $print_output = output(
          );
    }
 );
-$obj->filter_zeroed_rows(0);
+$obj->set_filter_zeroed_rows(0);
 
 is(
    $print_output,