diff --git a/htdocs/accountancy/class/bookkeeping.class.php b/htdocs/accountancy/class/bookkeeping.class.php
index 8e1f36bbf41..9e59093b885 100644
--- a/htdocs/accountancy/class/bookkeeping.class.php
+++ b/htdocs/accountancy/class/bookkeeping.class.php
@@ -134,6 +134,13 @@ class BookKeeping extends CommonObject
 	public $journal_label;
 	public $piece_num;
 
+	/**
+	 * @var string String with name of icon for myobject. Must be the part after the 'object_' into object_myobject.png
+	 */
+	public $picto = 'generic';
+
+
+
 	/**
 	 * Constructor
 	 *