diff --git a/classes/order/Order.php b/classes/order/Order.php
index 36c2b45af..4e17e68c4 100644
--- a/classes/order/Order.php
+++ b/classes/order/Order.php
@@ -175,7 +175,7 @@ class OrderCore extends ObjectModel
 			'current_state' => 				array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
 			'secure_key' => 				array('type' => self::TYPE_STRING, 'validate' => 'isMd5'),
 			'payment' => 					array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'required' => true),
-			'module' => 					array('type' => self::TYPE_STRING),
+			'module' => 					array('type' => self::TYPE_STRING, 'validate' => 'isModuleName', 'required' => true),
 			'recyclable' => 				array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
 			'gift' => 						array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
 			'gift_message' => 				array('type' => self::TYPE_STRING, 'validate' => 'isMessage'),