diff --git a/htdocs/multicurrency/class/multicurrency.class.php b/htdocs/multicurrency/class/multicurrency.class.php
index c42b4fc3796..b8ce1995b5a 100644
--- a/htdocs/multicurrency/class/multicurrency.class.php
+++ b/htdocs/multicurrency/class/multicurrency.class.php
@@ -513,7 +513,7 @@ class MultiCurrency extends CommonObject
 	 * @return 	array	[0] => id currency
 	 *					[1] => rate
 	 */
-	 public static function getIdAndTxFromCode(&$db, $code, $date_document)
+	 public static function getIdAndTxFromCode(&$db, $code, $date_document='')
 	 {
 		global $conf;