diff --git a/htdocs/bom/class/bom.class.php b/htdocs/bom/class/bom.class.php
index 182235cce19db..6e098960ddc2c 100644
--- a/htdocs/bom/class/bom.class.php
+++ b/htdocs/bom/class/bom.class.php
@@ -37,6 +37,12 @@
  */
 class BOM extends CommonObject
 {
+
+	/**
+	 * @var string ID of module.
+	 */
+	public $module = 'bom';
+
 	/**
 	 * @var string ID to identify managed object
 	 */