diff --git a/htdocs/core/modules/rapport/pdf_paiement.class.php b/htdocs/core/modules/rapport/pdf_paiement.class.php
index 3d3c45e196385514f229ee2d6bd8ce7c98b31951..44946cdf38f85e0b074444a535d819c42ad6b5f3 100644
--- a/htdocs/core/modules/rapport/pdf_paiement.class.php
+++ b/htdocs/core/modules/rapport/pdf_paiement.class.php
@@ -38,7 +38,7 @@ class pdf_paiement
 	 */
 	function __construct($db)
 	{
-		global $langs;
+		global $langs,$conf;
 		$langs->load("bills");
 		$langs->load("compta");