diff --git a/centreon/plugins/values.pm b/centreon/plugins/values.pm
index 4c9283815..55c5f9a32 100644
--- a/centreon/plugins/values.pm
+++ b/centreon/plugins/values.pm
@@ -139,7 +139,7 @@ sub output {
         return $self->{closure_custom_output}->($self);
     }
     my $first = ${${$self->{key_values}}[0]}{name};
-    my ($value, $unit) = ($self->{result_values}->{$first . '_absolute'}, $self->{result_values}->{output_absolute_unit});
+    my ($value, $unit) = ($self->{result_values}->{$first . '_absolute'}, $self->{output_absolute_unit});
     
     if (!defined($self->{output_use})) {
         if ($self->{per_second} == 1) {
diff --git a/storage/dell/compellent/local/mode/hbausage.pm b/storage/dell/compellent/local/mode/hbausage.pm
index 7c07d3cec..0b91419d1 100644
--- a/storage/dell/compellent/local/mode/hbausage.pm
+++ b/storage/dell/compellent/local/mode/hbausage.pm
@@ -78,7 +78,7 @@ sub set_counters {
                 output_template => 'Write Usage : %s %s/s',
                 output_change_bytes => 2,
                 perfdatas => [
-                    { label => 'write_usage', value => 'read_bps_absolute', template => '%d',
+                    { label => 'write_usage', value => 'write_bps_absolute', template => '%d',
                       unit => 'b/s', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
                 ],
             }