diff --git a/htdocs/core/modules/mrp/doc/pdf_vinci.modules.php b/htdocs/core/modules/mrp/doc/pdf_vinci.modules.php
index 20fd7b0472b..6a36317ee80 100644
--- a/htdocs/core/modules/mrp/doc/pdf_vinci.modules.php
+++ b/htdocs/core/modules/mrp/doc/pdf_vinci.modules.php
@@ -1353,8 +1353,7 @@ class pdf_vinci extends ModelePDFMo
 	 */
 	protected function _pagefoot(&$pdf, $object, $outputlangs, $hidefreetext = 0)
 	{
-		global $conf;
-		$showdetails = empty($conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS) ? 0 : $conf->global->MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS;
+		$showdetails = getDolGlobalInt('MAIN_GENERATE_DOCUMENTS_SHOW_FOOT_DETAILS', 0);
 		return pdf_pagefoot($pdf, $outputlangs, 'SUPPLIER_ORDER_FREE_TEXT', $this->emetteur, $this->marge_basse, $this->marge_gauche, $this->page_hauteur, $object, $showdetails, $hidefreetext);
 	}