diff --git a/htdocs/core/modules/contract/doc/pdf_strato.modules.php b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
index 3c1c70f1604..bc938accc92 100644
--- a/htdocs/core/modules/contract/doc/pdf_strato.modules.php
+++ b/htdocs/core/modules/contract/doc/pdf_strato.modules.php
@@ -274,7 +274,7 @@ class pdf_strato extends ModelePDFContract
 				$pdf->SetTextColor(0, 0, 0);
 
 				$tab_top = 90;
-				$tab_top_newpage = (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD) ? 42 : 10);
+				$tab_top_newpage = (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD') ? 42 : 10);
 
 				// Display notes
 				if (!empty($object->note_public)) {
@@ -390,7 +390,7 @@ class pdf_strato extends ModelePDFContract
 									if (!empty($tplidx)) {
 										$pdf->useTemplate($tplidx);
 									}
-									if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
+									if (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD')) {
 										$this->_pagehead($pdf, $object, 0, $outputlangs);
 									}
 									$pdf->setPage($pageposafter + 1);
diff --git a/htdocs/core/modules/delivery/doc/pdf_storm.modules.php b/htdocs/core/modules/delivery/doc/pdf_storm.modules.php
index 1d5a3831622..735b247f73a 100644
--- a/htdocs/core/modules/delivery/doc/pdf_storm.modules.php
+++ b/htdocs/core/modules/delivery/doc/pdf_storm.modules.php
@@ -343,7 +343,7 @@ class pdf_storm extends ModelePDFDeliveryOrder
 				$pdf->SetTextColor(0, 0, 0);
 
 				$tab_top = 90;
-				$tab_top_newpage = (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD) ? 42 : 10);
+				$tab_top_newpage = (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD') ? 42 : 10);
 
 				$tab_height = $this->page_hauteur - $tab_top - $heightforfooter - $heightforfreetext;
 
@@ -445,7 +445,7 @@ class pdf_storm extends ModelePDFDeliveryOrder
 							if (!empty($tplidx)) {
 								$pdf->useTemplate($tplidx);
 							}
-							//if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) $this->_pagehead($pdf, $object, 0, $outputlangs);
+							//if (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD')) $this->_pagehead($pdf, $object, 0, $outputlangs);
 							$pdf->setPage($pageposbefore + 1);
 
 							$curY = $tab_top_newpage;
@@ -485,7 +485,7 @@ class pdf_storm extends ModelePDFDeliveryOrder
 									if (!empty($tplidx)) {
 										$pdf->useTemplate($tplidx);
 									}
-									if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
+									if (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD')) {
 										$this->_pagehead($pdf, $object, 0, $outputlangs);
 									}
 									$pdf->setPage($pageposafter + 1);
@@ -571,7 +571,7 @@ class pdf_storm extends ModelePDFDeliveryOrder
 						$pagenb++;
 						$pdf->setPage($pagenb);
 						$pdf->setPageOrientation('', 1, 0); // The only function to edit the bottom margin of current page to set it.
-						if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
+						if (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD')) {
 							$this->_pagehead($pdf, $object, 0, $outputlangs);
 						}
 						if (!empty($tplidx)) {
@@ -591,7 +591,7 @@ class pdf_storm extends ModelePDFDeliveryOrder
 							$pdf->useTemplate($tplidx);
 						}
 						$pagenb++;
-						if (empty($conf->global->MAIN_PDF_DONOTREPEAT_HEAD)) {
+						if (!getDolGlobalInt('MAIN_PDF_DONOTREPEAT_HEAD')) {
 							$this->_pagehead($pdf, $object, 0, $outputlangs);
 						}
 					}