diff --git a/htdocs/adherents/ldap.php b/htdocs/adherents/ldap.php
index 307e1f03d86..e3e178d3a2f 100644
--- a/htdocs/adherents/ldap.php
+++ b/htdocs/adherents/ldap.php
@@ -167,14 +167,14 @@ if ($message) { print $message; }
 
 print '<div class="tabsAction">';
 
-if ($conf->global->LDAP_MEMBER_ACTIVE == 'dolibarr2ldap')
+if (! empty($conf->global->LDAP_MEMBER_ACTIVE) && $conf->global->LDAP_MEMBER_ACTIVE != 'ldap2dolibarr')
 {
 	print '<a class="butAction" href="'.$_SERVER["PHP_SELF"].'?id='.$adh->id.'&amp;action=dolibarr2ldap">'.$langs->trans("ForceSynchronize").'</a>';
 }
 
 print "</div>\n";
 
-if ($conf->global->LDAP_MEMBER_ACTIVE == 'dolibarr2ldap') print "<br>\n";
+if (! empty($conf->global->LDAP_MEMBER_ACTIVE) && $conf->global->LDAP_MEMBER_ACTIVE != 'ldap2dolibarr') print "<br>\n";