diff --git a/htdocs/core/class/dolreceiptprinter.class.php b/htdocs/core/class/dolreceiptprinter.class.php
index f2099460d5b..7c5f72e12c6 100644
--- a/htdocs/core/class/dolreceiptprinter.class.php
+++ b/htdocs/core/class/dolreceiptprinter.class.php
@@ -132,7 +132,7 @@ class dolReceiptPrinter extends Printer
     public $tags;
     public $printer;
     public $template;
-    
+
     /**
      * Number of order printer
      * @var int