diff --git a/htdocs/core/modules/mailings/thirdparties.modules.php b/htdocs/core/modules/mailings/thirdparties.modules.php
index 335e3ac575a..71be0733fb2 100644
--- a/htdocs/core/modules/mailings/thirdparties.modules.php
+++ b/htdocs/core/modules/mailings/thirdparties.modules.php
@@ -316,7 +316,7 @@ class mailing_thirdparties extends MailingTargets
 		$s .= '</select>';
 		$s .= ajax_combobox("filter_status_thirdparties");
 
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			// Choose language
 			require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 			$formadmin = new FormAdmin($this->db);
diff --git a/htdocs/core/modules/modService.class.php b/htdocs/core/modules/modService.class.php
index d2431d3e22c..a6bfdd47433 100644
--- a/htdocs/core/modules/modService.class.php
+++ b/htdocs/core/modules/modService.class.php
@@ -195,7 +195,7 @@ class modService extends DolibarrModules
 		if (!empty($conf->global->EXPORTTOOL_CATEGORIES)) {
 			$this->export_fields_array[$r] = array_merge($this->export_fields_array[$r], array('group_concat(cat.label)'=>'Categories'));
 		}
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$this->export_fields_array[$r] = array_merge($this->export_fields_array[$r], array('l.lang'=>'Language', 'l.label'=>'TranslatedLabel', 'l.description'=>'TranslatedDescription', 'l.note'=>'TranslatedNote'));
 		}
 		if (!empty($conf->global->PRODUCT_USE_UNITS)) {
@@ -224,7 +224,7 @@ class modService extends DolibarrModules
 		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice")) {
 			$this->export_TypeFields_array[$r] = array_merge($this->export_TypeFields_array[$r], array('s.nom'=>'Text', 'pf.ref_fourn'=>'Text', 'pf.unitprice'=>'Numeric', 'pf.quantity'=>'Numeric', 'pf.remise_percent'=>'Numeric', 'pf.delivery_time_days'=>'Numeric'));
 		}
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$this->export_TypeFields_array[$r] = array_merge($this->export_TypeFields_array[$r], array('l.lang'=>'Text', 'l.label'=>'Text', 'l.description'=>'Text', 'l.note'=>'Text'));
 		}
 		if (!empty($conf->global->EXPORTTOOL_CATEGORIES)) {
@@ -243,7 +243,7 @@ class modService extends DolibarrModules
 		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice")) {
 			$this->export_entities_array[$r] = array_merge($this->export_entities_array[$r], array('s.nom'=>'product_supplier_ref', 'pf.ref_fourn'=>'product_supplier_ref', 'pf.unitprice'=>'product_supplier_ref', 'pf.quantity'=>'product_supplier_ref', 'pf.remise_percent'=>'product_supplier_ref', 'pf.delivery_time_days'=>'product_supplier_ref'));
 		}
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$this->export_entities_array[$r] = array_merge($this->export_entities_array[$r], array('l.lang'=>'translation', 'l.label'=>'translation', 'l.description'=>'translation', 'l.note'=>'translation'));
 		}
 		if (!empty($conf->global->EXPORTTOOL_CATEGORIES)) {
@@ -258,7 +258,7 @@ class modService extends DolibarrModules
 		if ((isModEnabled("fournisseur") && empty($conf->global->MAIN_USE_NEW_SUPPLIERMOD)) || isModEnabled("supplier_order") || isModEnabled("supplier_invoice")) {
 			$this->export_entities_array[$r] = array_merge($this->export_entities_array[$r], array('s.nom'=>'product_supplier_ref', 'pf.ref_fourn'=>'product_supplier_ref', 'pf.unitprice'=>'product_supplier_ref', 'pf.quantity'=>'product_supplier_ref', 'pf.remise_percent'=>'product_supplier_ref', 'pf.delivery_time_days'=>'product_supplier_ref'));
 		}
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$this->export_entities_array[$r] = array_merge($this->export_entities_array[$r], array('l.lang'=>'translation', 'l.label'=>'translation', 'l.description'=>'translation', 'l.note'=>'translation'));
 		}
 		if (!empty($conf->global->EXPORTTOOL_CATEGORIES)) {
@@ -272,7 +272,7 @@ class modService extends DolibarrModules
 		if (!empty($conf->global->EXPORTTOOL_CATEGORIES)) {
 			$this->export_sql_end[$r] .= ' LEFT JOIN '.MAIN_DB_PREFIX.'categorie_product as cp ON cp.fk_product = p.rowid LEFT JOIN '.MAIN_DB_PREFIX.'categorie as cat ON cp.fk_categorie = cat.rowid';
 		}
-		if (!empty($conf->global->MAIN_MULTILANGS)) {
+		if (getDolGlobalInt('MAIN_MULTILANGS')) {
 			$this->export_sql_end[$r] .= ' LEFT JOIN '.MAIN_DB_PREFIX.'product_lang as l ON l.fk_product = p.rowid';
 		}
 		$this->export_sql_end[$r] .= ' LEFT JOIN '.MAIN_DB_PREFIX.'product_extrafields as extra ON p.rowid = extra.fk_object';
@@ -834,7 +834,7 @@ class modService extends DolibarrModules
 					'pr.date_price'=>'2013-04-10');
 			}
 
-			if (!empty($conf->global->MAIN_MULTILANGS)) {
+			if (getDolGlobalInt('MAIN_MULTILANGS')) {
 				// Import translations of product names and descriptions
 				$r++;
 				$this->import_code[$r] = $this->rights_class.'_languages';
diff --git a/htdocs/core/modules/movement/doc/pdf_standard.modules.php b/htdocs/core/modules/movement/doc/pdf_standard.modules.php
index d93a7d99076..eb57e7c5453 100644
--- a/htdocs/core/modules/movement/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/movement/doc/pdf_standard.modules.php
@@ -491,7 +491,7 @@ class pdf_standard extends ModelePDFMovement
 						$objp = $this->db->fetch_object($resql);
 
 						// Multilangs
-						if (!empty($conf->global->MAIN_MULTILANGS)) { // si l'option est active
+						if (getDolGlobalInt('MAIN_MULTILANGS')) { // si l'option est active
 							$sql = "SELECT label";
 							$sql .= " FROM ".MAIN_DB_PREFIX."product_lang";
 							$sql .= " WHERE fk_product = ".((int) $objp->rowid);
diff --git a/htdocs/core/modules/propale/doc/pdf_azur.modules.php b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
index ea95036b280..8214b8243e9 100644
--- a/htdocs/core/modules/propale/doc/pdf_azur.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_azur.modules.php
@@ -793,7 +793,7 @@ class pdf_azur extends ModelePDFPropales
 							// Find the desire PDF
 							$filetomerge = new Propalmergepdfproduct($this->db);
 
-							if (!empty($conf->global->MAIN_MULTILANGS)) {
+							if (getDolGlobalInt('MAIN_MULTILANGS')) {
 								$filetomerge->fetch_by_product($line->fk_product, $outputlangs->defaultlang);
 							} else {
 								$filetomerge->fetch_by_product($line->fk_product);
diff --git a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
index cdac495c393..049391450d8 100644
--- a/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
+++ b/htdocs/core/modules/propale/doc/pdf_cyan.modules.php
@@ -918,7 +918,7 @@ class pdf_cyan extends ModelePDFPropales
 							// Find the desire PDF
 							$filetomerge = new Propalmergepdfproduct($this->db);
 
-							if (!empty($conf->global->MAIN_MULTILANGS)) {
+							if (getDolGlobalInt('MAIN_MULTILANGS')) {
 								$filetomerge->fetch_by_product($line->fk_product, $outputlangs->defaultlang);
 							} else {
 								$filetomerge->fetch_by_product($line->fk_product);
diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index d3fa898d0a1..6231fb492b0 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -306,7 +306,7 @@ class pdf_standard extends ModelePDFStock
 						$objp = $this->db->fetch_object($resql);
 
 						// Multilangs
-						if (!empty($conf->global->MAIN_MULTILANGS)) { // si l'option est active
+						if (getDolGlobalInt('MAIN_MULTILANGS')) { // si l'option est active
 							$sql = "SELECT label";
 							$sql .= " FROM ".MAIN_DB_PREFIX."product_lang";
 							$sql .= " WHERE fk_product = ".((int) $objp->rowid);
diff --git a/htdocs/core/tpl/advtarget.tpl.php b/htdocs/core/tpl/advtarget.tpl.php
index 07595012466..8f27d747fab 100644
--- a/htdocs/core/tpl/advtarget.tpl.php
+++ b/htdocs/core/tpl/advtarget.tpl.php
@@ -243,7 +243,7 @@ print '</td><td>'."\n";
 print '</td></tr>'."\n";
 
 // Customer Default Langauge
-if (!empty($conf->global->MAIN_MULTILANGS)) {
+if (getDolGlobalInt('MAIN_MULTILANGS')) {
 	print '<tr><td>'.$langs->trans("DefaultLang");
 	if (!empty($array_query['cust_language'])) {
 		print img_picto($langs->trans('AdvTgtUse'), 'ok.png@advtargetemailing');