diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index b17753d66b8..517ead4dac0 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -142,7 +142,7 @@ if ($action == 'specimen') {
 } elseif ($action == 'del') {
 	$ret = delDocumentModel($value, $type);
 	if ($ret > 0) {
-		if ($conf->global->STOCK_ADDON_PDF == "$value") {
+		if (getDolGlobalString('STOCK_ADDON_PDF') == "$value") {
 			dolibarr_del_const($db, 'STOCK_ADDON_PDF', $conf->entity);
 		}
 	}
@@ -620,7 +620,7 @@ foreach ($dirmodels as $reldir) {
 
 								// Default
 								print '<td class="center">';
-								if ($conf->global->STOCK_ADDON_PDF == $name) {
+								if (getDolGlobalString('STOCK_ADDON_PDF') == $name) {
 									print img_picto($langs->trans("Default"), 'on');
 								} else {
 									print '<a class="reposition" href="'.$_SERVER["PHP_SELF"].'?action=setdoc&token='.newToken().'&value='.urlencode($name).'&scan_dir='.urlencode($module->scandir).'&label='.urlencode($module->name).'" alt="'.$langs->trans("Default").'">'.img_picto($langs->trans("Disabled"), 'off').'</a>';
diff --git a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
index 0169810c41e..38be94f3266 100644
--- a/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
+++ b/htdocs/core/modules/stock/doc/doc_generic_stock_odt.modules.php
@@ -114,7 +114,7 @@ class doc_generic_stock_odt extends ModelePDFStock
 		// List of directories area
 		$texte .= '<tr><td>';
 		$texttitle = $langs->trans("ListOfDirectories");
-		$listofdir = explode(',', preg_replace('/[\r\n]+/', ',', trim($conf->global->STOCK_ADDON_PDF_ODT_PATH)));
+		$listofdir = explode(',', preg_replace('/[\r\n]+/', ',', trim(getDolGlobalString('STOCK_ADDON_PDF_ODT_PATH'))));
 		$listoffiles = array();
 		foreach ($listofdir as $key => $tmpdir) {
 			$tmpdir = trim($tmpdir);