diff --git a/centreon-plugins/centreon/plugins/snmp.pm b/centreon-plugins/centreon/plugins/snmp.pm
index 11ab74256..64bb8cf63 100644
--- a/centreon-plugins/centreon/plugins/snmp.pm
+++ b/centreon-plugins/centreon/plugins/snmp.pm
@@ -786,8 +786,8 @@ sub check_options {
         }
         
         # unauthenticated and unencrypted
+        $self->{snmp_params}->{SecLevel} = 'noAuthNoPriv';
         if (!defined($options{option_results}->{snmp_auth_passphrase}) && !defined($options{option_results}->{snmp_priv_passphrase})) {
-            $self->{snmp_params}->{SecLevel} = 'noAuthNoPriv';
             return ;
         }