diff --git a/htdocs/core/modules/project/mod_project_universal.php b/htdocs/core/modules/project/mod_project_universal.php
index 6be53915136..934526f21d0 100644
--- a/htdocs/core/modules/project/mod_project_universal.php
+++ b/htdocs/core/modules/project/mod_project_universal.php
@@ -45,8 +45,8 @@ class mod_project_universal extends ModeleNumRefProjects
     {
     	global $conf,$langs;
 
-		$langs->load("projects");
-		$langs->load("admin");
+		// Load translation files required by the page
+        $langs->loadLangs(array("projects","admin"));
 
 		$form = new Form($this->db);
 
diff --git a/htdocs/core/modules/project/task/mod_task_universal.php b/htdocs/core/modules/project/task/mod_task_universal.php
index cc3175be159..ef3aeee1bcd 100644
--- a/htdocs/core/modules/project/task/mod_task_universal.php
+++ b/htdocs/core/modules/project/task/mod_task_universal.php
@@ -45,8 +45,8 @@ class mod_task_universal extends ModeleNumRefTask
     {
     	global $conf,$langs;
 
-		$langs->load("projects");
-		$langs->load("admin");
+		// Load translation files required by the page
+        $langs->loadLangs(array("projects","admin"));
 
 		$form = new Form($this->db);
 
diff --git a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
index 1e0d084fbba..4a2a3055119 100644
--- a/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
+++ b/htdocs/core/modules/propale/doc/doc_generic_proposal_odt.modules.php
@@ -52,8 +52,8 @@ class doc_generic_proposal_odt extends ModelePDFPropales
 	{
 		global $conf,$langs,$mysoc;
 
-		$langs->load("main");
-		$langs->load("companies");
+		// Load translation files required by the page
+        $langs->loadLangs(array("main","companies"));
 
 		$this->db = $db;
 		$this->name = "ODT templates";
@@ -97,8 +97,8 @@ class doc_generic_proposal_odt extends ModelePDFPropales
 	{
 		global $conf,$langs;
 
-		$langs->load("companies");
-		$langs->load("errors");
+		// Load translation files required by the page
+        $langs->loadLangs(array("errors","companies"));
 
 		$form = new Form($this->db);
 
diff --git a/htdocs/core/modules/rapport/pdf_paiement.class.php b/htdocs/core/modules/rapport/pdf_paiement.class.php
index 801b3820bc5..4d9f9fc3ff7 100644
--- a/htdocs/core/modules/rapport/pdf_paiement.class.php
+++ b/htdocs/core/modules/rapport/pdf_paiement.class.php
@@ -40,9 +40,9 @@ class pdf_paiement
 	function __construct($db)
 	{
 		global $langs,$conf;
-		$langs->load("bills");
-		$langs->load("compta");
-		$langs->load("main");
+
+		// Load translation files required by the page
+        $langs->loadLangs(array("bills","compta","main"));
 
 		$this->db = $db;
 		$this->description = $langs->transnoentities("ListOfCustomerPayments");
diff --git a/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php b/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
index 285b7b2db82..a0be3ce8e81 100644
--- a/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
+++ b/htdocs/core/modules/societe/doc/doc_generic_odt.modules.php
@@ -48,8 +48,8 @@ class doc_generic_odt extends ModeleThirdPartyDoc
 	{
 		global $conf,$langs,$mysoc;
 
-		$langs->load("main");
-		$langs->load("companies");
+		// Load translation files required by the page
+        $langs->loadLangs(array("main","companies"));
 
 		$this->db = $db;
 		$this->name = "ODT templates";
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 20957f26415..e99bc45bcac 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
@@ -51,8 +51,8 @@ class doc_generic_stock_odt extends ModelePDFStock
 	{
 		global $conf,$langs,$mysoc;
 
-		$langs->load("main");
-		$langs->load("companies");
+		// Load translation files required by the page
+        $langs->loadLangs(array("main","companies"));
 
 		$this->db = $db;
 		$this->name = "ODT templates";
diff --git a/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php b/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
index 2e155c04df8..9f4a5b6bbe7 100644
--- a/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
+++ b/htdocs/core/modules/supplier_invoice/mod_facture_fournisseur_tulip.php
@@ -2,7 +2,7 @@
 /* Copyright (C) 2003-2007 Rodolphe Quiedeville <rodolphe@quiedeville.org>
  * Copyright (C) 2004-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
  * Copyright (C) 2005-2009 Regis Houssin        <regis.houssin@capnetworks.com>
- * Copyright (C) 2013      Philippe Grand       <philippe.grand@atoo-net.com>
+ * Copyright (C) 2013-2018 Philippe Grand       <philippe.grand@atoo-net.com>
  * Copyright (C) 2013      Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2016      Alexandre Spangaro   <aspangaro@zendsi.com>
  *
@@ -50,8 +50,8 @@ class mod_facture_fournisseur_tulip extends ModeleNumRefSuppliersInvoices
     {
     	global $conf,$langs;
 
-		$langs->load("bills");
-		$langs->load("admin");
+		// Load translation files required by the page
+        $langs->loadLangs(array("bills","admin"));
 
 		$form = new Form($this->db);