diff --git a/classes/Validate.php b/classes/Validate.php
index 9de147573..2b0e54e46 100644
--- a/classes/Validate.php
+++ b/classes/Validate.php
@@ -407,7 +407,7 @@ class ValidateCore
 	 */
 	public static function isPasswd($passwd, $size = 5)
 	{
-		return (Tools::strlen($passwd) > $size && Tools::strlen($passwd) < 255);
+		return (Tools::strlen($passwd) >= $size && Tools::strlen($passwd) < 255);
 	}
 
 	public static function isPasswdAdmin($passwd)
diff --git a/controllers/front/ParentOrderController.php b/controllers/front/ParentOrderController.php
index 55d58f572..25f902d71 100644
--- a/controllers/front/ParentOrderController.php
+++ b/controllers/front/ParentOrderController.php
@@ -109,7 +109,7 @@ class ParentOrderControllerCore extends FrontController
 							}
 						}
 						else
-							$this->errors[] = Tools::displayError('Voucher name invalid.');
+							$this->errors[] = Tools::displayError('This voucher does not exists');
 					}
 					$this->context->smarty->assign(array(
 						'errors' => $this->errors,