diff --git a/htdocs/admin/ldap.php b/htdocs/admin/ldap.php
index fad7b670d55..13ec3c5d364 100644
--- a/htdocs/admin/ldap.php
+++ b/htdocs/admin/ldap.php
@@ -274,7 +274,7 @@ if (function_exists("ldap_connect"))
 			print img_picto('','alerte');
 			print $langs->trans("LDAPTestKO").'<br>';
 			print "<br>";
-			print ldap_error($ds);
+			print $ds->err;
 			print "<br>";
 		}
 
diff --git a/htdocs/lib/ldap.lib.php b/htdocs/lib/ldap.lib.php
index d33eb81478c..203e1d375ff 100644
--- a/htdocs/lib/ldap.lib.php
+++ b/htdocs/lib/ldap.lib.php
@@ -58,6 +58,10 @@ function dolibarr_ldap_connect()
 	{
 		ldap_set_option($ldapconnect, LDAP_OPT_PROTOCOL_VERSION, $conf->global->LDAP_SERVER_PROTOCOLVERSION);
 	}
+	else
+	{
+		$this->err .= ldap_error($ldapconnect);
+	}
 	
 	return $ldapconnect;
 }