diff --git a/htdocs/compta/bank/class/account.class.php b/htdocs/compta/bank/class/account.class.php
index ec29e4e5240..aca498c1ed6 100644
--- a/htdocs/compta/bank/class/account.class.php
+++ b/htdocs/compta/bank/class/account.class.php
@@ -132,7 +132,7 @@ class Account extends CommonObject
 
 	/**
 	 * IBAN number (International Bank Account Number). Stored into iban_prefix field into database
-	 * @var
+	 * @var string
 	 */
 	public $iban;