diff --git a/htdocs/core/boxes/box_project.php b/htdocs/core/boxes/box_project.php
index cb45c12351e..a48543a00f6 100644
--- a/htdocs/core/boxes/box_project.php
+++ b/htdocs/core/boxes/box_project.php
@@ -34,12 +34,12 @@ class box_project extends ModeleBoxes
 	var $boximg="object_projectpub";
 	var $boxlabel;
 	//var $depends = array("projet");
-	
+
 	/**
      * @var DoliDB Database handler.
      */
     public $db;
-    
+
 	var $param;
 
 	var $info_box_head = array();
@@ -54,8 +54,9 @@ class box_project extends ModeleBoxes
     function __construct($db,$param='')
     {
         global $user, $langs;
-        $langs->load("boxes");
-        $langs->load("projects");
+
+        // Load translation files required by the page
+        $langs->loadLangs(array('boxes', 'projects'));
 
         $this->db = $db;
         $this->boxlabel="Projects";
diff --git a/htdocs/core/class/html.formmail.class.php b/htdocs/core/class/html.formmail.class.php
index cdc6a20ffa1..86d631e8a6a 100644
--- a/htdocs/core/class/html.formmail.class.php
+++ b/htdocs/core/class/html.formmail.class.php
@@ -271,9 +271,8 @@ class FormMail extends Form
 
 		if (! is_object($form)) $form=new Form($this->db);
 
-		$langs->load("other");
-		$langs->load("mails");
-
+		// Load translation files required by the page
+        $langs->loadLangs(array('other', 'mails'));
 
 		// Clear temp files. Must be done at beginning, before call of triggers
 		if (GETPOST('mode','alpha') == 'init' || (GETPOST('modelmailselected','alpha') && GETPOST('modelmailselected','alpha') != '-1'))
diff --git a/htdocs/core/class/html.formticket.class.php b/htdocs/core/class/html.formticket.class.php
index c0f4a3f75d2..5cad99b2a9f 100644
--- a/htdocs/core/class/html.formticket.class.php
+++ b/htdocs/core/class/html.formticket.class.php
@@ -126,9 +126,8 @@ class FormTicket
     {
         global $conf, $langs, $user, $hookmanager;
 
-        $langs->load("other");
-        $langs->load("mails");
-        $langs->load("ticket");
+        // Load translation files required by the page
+        $langs->loadLangs(array('other', 'mails', 'ticket'));
 
         $form = new Form($this->db);
         $formcompany = new FormCompany($this->db);
diff --git a/htdocs/core/lib/categories.lib.php b/htdocs/core/lib/categories.lib.php
index 4be484e1aa4..e8a7dfcb0ff 100644
--- a/htdocs/core/lib/categories.lib.php
+++ b/htdocs/core/lib/categories.lib.php
@@ -33,8 +33,8 @@ function categories_prepare_head($object,$type)
 {
 	global $langs, $conf, $user;
 
-	$langs->load("categories");
-	$langs->load("products");
+	// Load translation files required by the page
+    $langs->loadLangs(array('categories', 'products'));
 
 	$h = 0;
 	$head = array();
@@ -48,7 +48,7 @@ function categories_prepare_head($object,$type)
 	$head[$h][1] = $langs->trans("Photos");
 	$head[$h][2] = 'photos';
 	$h++;
-	
+
 	if (! empty($conf->global->MAIN_MULTILANGS))
 	{
     	$head[$h][0] = DOL_URL_ROOT.'/categories/traduction.php?id='.$object->id.'&type='.$type;
@@ -56,7 +56,7 @@ function categories_prepare_head($object,$type)
     	$head[$h][2] = 'translation';
     	$h++;
 	}
-	
+
     // Show more tabs from modules
     // Entries must be declared in modules descriptor with line
     // $this->tabs = array('entity:+tabname:Title:@mymodule:/mymodule/mypage.php?id=__ID__');   to add new tab
@@ -87,7 +87,7 @@ function categoriesadmin_prepare_head()
 	$head[$h][1] = $langs->trans("Setup");
 	$head[$h][2] = 'setup';
 	$h++;
-	
+
 	$head[$h][0] = DOL_URL_ROOT.'/categories/admin/categorie_extrafields.php';
 	$head[$h][1] = $langs->trans("ExtraFieldsCategories");
 	$head[$h][2] = 'attributes_categories';
diff --git a/htdocs/core/lib/functions2.lib.php b/htdocs/core/lib/functions2.lib.php
index 783e6a0cb35..8a22337cea8 100644
--- a/htdocs/core/lib/functions2.lib.php
+++ b/htdocs/core/lib/functions2.lib.php
@@ -194,9 +194,10 @@ function dol_print_file($langs,$filename,$searchalt=0)
  */
 function dol_print_object_info($object, $usetable=0)
 {
-    global $langs,$db;
-    $langs->load("other");
-    $langs->load("admin");
+    global $langs, $db;
+
+    // Load translation files required by the page
+    $langs->loadLangs(array('other', 'admin'));
 
     include_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 
diff --git a/htdocs/core/lib/payments.lib.php b/htdocs/core/lib/payments.lib.php
index 0d46dc7eacc..f138f161b9c 100644
--- a/htdocs/core/lib/payments.lib.php
+++ b/htdocs/core/lib/payments.lib.php
@@ -62,7 +62,6 @@ function payment_prepare_head(Paiement $object)
  */
 function payment_supplier_prepare_head(Paiement $object)
 {
-
 	global $langs, $conf;
 
 	$h = 0;
@@ -127,8 +126,9 @@ function showOnlinePaymentUrl($type,$ref)
 {
 	global $conf, $langs;
 
-	$langs->load("payment");
-	$langs->load("paybox");
+	// Load translation files required by the page
+    $langs->loadLangs(array('payment', 'paybox'));
+
 	$servicename='Online';
 
 	$out = img_picto('','object_globe.png').' '.$langs->trans("ToOfferALinkForOnlinePayment",$servicename).'<br>';