diff --git a/connectors/vmware/centreonesxd.pm b/connectors/vmware/centreonesxd.pm
index 3734575e1..4b232d89f 100644
--- a/connectors/vmware/centreonesxd.pm
+++ b/connectors/vmware/centreonesxd.pm
@@ -57,7 +57,7 @@ sub new {
 
     bless $self, $class;
     $self->add_options(
-        "config-extra" => \$self->{opt_extra},
+        "config-extra=s" => \$self->{opt_extra},
     );
 
     %{$self->{centreonesxd_default_config}} =