diff --git a/htdocs/mrp/class/mo.class.php b/htdocs/mrp/class/mo.class.php
index 195a3805c32..44b3f4cab4e 100644
--- a/htdocs/mrp/class/mo.class.php
+++ b/htdocs/mrp/class/mo.class.php
@@ -824,7 +824,7 @@ class Mo extends CommonObject
 		{
 			foreach ($this->lines as $line)
 			{
-				if (is_object($hookmanager) && (($line->product_type == 9 && ! empty($line->special_code)) || ! empty($line->fk_parent_line)))
+				if (is_object($hookmanager))
 				{
 					if (empty($line->fk_parent_line))
 					{