diff --git a/htdocs/accountancy/class/bookkeeping.class.php b/htdocs/accountancy/class/bookkeeping.class.php
index 03ef8e2754b..193ca34e2f3 100644
--- a/htdocs/accountancy/class/bookkeeping.class.php
+++ b/htdocs/accountancy/class/bookkeeping.class.php
@@ -1980,12 +1980,12 @@ class BookKeepingLine
      * @var integer|string date_creation
      */
 	public $date_creation;
-    
+
 	/**
 	 * @var integer|string $date_modification;
 	 */
     public $date_modification;
-    
+
     /**
      * @var integer|string $date_export;
      */