diff --git a/htdocs/core/actions_lineupdown.inc.php b/htdocs/core/actions_lineupdown.inc.php
index d41f1f1932c..e43b0216cbe 100644
--- a/htdocs/core/actions_lineupdown.inc.php
+++ b/htdocs/core/actions_lineupdown.inc.php
@@ -34,10 +34,10 @@ if ($action == 'up' && $permissiontoedit) {
 	// Define output language
 	$outputlangs = $langs;
 	$newlang = '';
-	if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+	if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 		$newlang = GETPOST('lang_id', 'aZ09');
 	}
-	if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+	if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 		$newlang = $object->thirdparty->default_lang;
 	}
 	if (!empty($newlang)) {
@@ -59,10 +59,10 @@ if ($action == 'down' && $permissiontoedit) {
 	// Define output language
 	$outputlangs = $langs;
 	$newlang = '';
-	if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+	if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 		$newlang = GETPOST('lang_id', 'aZ09');
 	}
-	if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+	if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 		$newlang = $object->thirdparty->default_lang;
 	}
 	if (!empty($newlang)) {
diff --git a/htdocs/core/actions_massactions.inc.php b/htdocs/core/actions_massactions.inc.php
index aa73c9cdc8a..6ab6b6943a7 100644
--- a/htdocs/core/actions_massactions.inc.php
+++ b/htdocs/core/actions_massactions.inc.php
@@ -763,10 +763,10 @@ if (!$error && $massaction == "builddoc" && $permissiontoread && !GETPOST('butto
 	// Define output language (Here it is not used because we do only merging existing PDF)
 	$outputlangs = $langs;
 	$newlang = '';
-	if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+	if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 		$newlang = GETPOST('lang_id', 'aZ09');
 	}
-	//elseif (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && is_object($objecttmp->thirdparty)) {		// On massaction, we can have several values for $objecttmp->thirdparty
+	//elseif (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && is_object($objecttmp->thirdparty)) {		// On massaction, we can have several values for $objecttmp->thirdparty
 	//	$newlang = $objecttmp->thirdparty->default_lang;
 	//}
 	if (!empty($newlang)) {
@@ -965,10 +965,10 @@ if (!$error && $massaction == 'validate' && $permissiontoadd) {
 					if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 						$outputlangs = $langs;
 						$newlang = '';
-						if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+						if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 							$newlang = GETPOST('lang_id', 'aZ09');
 						}
-						if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+						if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 							$newlang = $objecttmp->thirdparty->default_lang;
 						}
 						if (!empty($newlang)) {
@@ -1116,13 +1116,13 @@ if (!$error && $massaction == 'generate_doc' && $permissiontoread) {
 			$outputlangs = $langs;
 			$newlang = '';
 
-			if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+			if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 				$newlang = GETPOST('lang_id', 'aZ09');
 			}
-			if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && isset($objecttmp->thirdparty->default_lang)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && isset($objecttmp->thirdparty->default_lang)) {
 				$newlang = $objecttmp->thirdparty->default_lang; // for proposal, order, invoice, ...
 			}
-			if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && isset($objecttmp->default_lang)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && isset($objecttmp->default_lang)) {
 				$newlang = $objecttmp->default_lang; // for thirdparty
 			}
 			if (!empty($newlang)) {
diff --git a/htdocs/core/actions_setnotes.inc.php b/htdocs/core/actions_setnotes.inc.php
index 7595daf1093..a731fac76de 100644
--- a/htdocs/core/actions_setnotes.inc.php
+++ b/htdocs/core/actions_setnotes.inc.php
@@ -45,10 +45,10 @@ if ($action == 'setnote_public' && !empty($permissionnote) && !GETPOST('cancel',
 		if (empty($conf->global->MAIN_DISABLE_PDF_AUTOUPDATE)) {
 			$outputlangs = $langs;
 			$newlang = '';
-			if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
+			if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang) && GETPOST('lang_id', 'aZ09')) {
 				$newlang = GETPOST('lang_id', 'aZ09');
 			}
-			if (!empty($conf->global->MAIN_MULTILANGS) && empty($newlang)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS') && empty($newlang)) {
 				$newlang = $object->thirdparty->default_lang;
 			}
 			if (!empty($newlang)) {
diff --git a/htdocs/core/boxes/box_produits_alerte_stock.php b/htdocs/core/boxes/box_produits_alerte_stock.php
index 203d42c7eed..4be56eee072 100644
--- a/htdocs/core/boxes/box_produits_alerte_stock.php
+++ b/htdocs/core/boxes/box_produits_alerte_stock.php
@@ -126,7 +126,7 @@ class box_produits_alerte_stock extends ModeleBoxes
 					$price_base_type = '';
 
 					// Multilangs
-					if (!empty($conf->global->MAIN_MULTILANGS)) { // si l'option est active
+					if (getDolGlobalInt('MAIN_MULTILANGS')) { // si l'option est active
 						$sqld = "SELECT label";
 						$sqld .= " FROM ".MAIN_DB_PREFIX."product_lang";
 						$sqld .= " WHERE fk_product = ".((int) $objp->rowid);