diff --git a/htdocs/core/modules/holiday/modules_holiday.php b/htdocs/core/modules/holiday/modules_holiday.php
index 74cbb0dbfd5..c5f5dc16b25 100644
--- a/htdocs/core/modules/holiday/modules_holiday.php
+++ b/htdocs/core/modules/holiday/modules_holiday.php
@@ -96,7 +96,7 @@ class ModelNumRefHolidays
 	public function info()
 	{
 		global $langs;
-		$langs->load("holidays");
+		$langs->load("holiday");
 		return $langs->trans("NoDescription");
 	}
 
@@ -108,7 +108,7 @@ class ModelNumRefHolidays
 	public function getExample()
 	{
 		global $langs;
-		$langs->load("holidays");
+		$langs->load("holiday");
 		return $langs->trans("NoExample");
 	}
 
diff --git a/htdocs/holiday/document.php b/htdocs/holiday/document.php
index 00bc7ac1b24..05ddf164105 100644
--- a/htdocs/holiday/document.php
+++ b/htdocs/holiday/document.php
@@ -37,7 +37,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/holiday.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 
 // Load translation files required by the page
-$langs->loadLangs(array('other', 'holidays', 'companies'));
+$langs->loadLangs(array('other', 'holiday', 'companies'));
 
 $id = GETPOST('id', 'int');
 $ref = GETPOST('ref', 'alpha');
@@ -48,8 +48,6 @@ $confirm = GETPOST('confirm', 'alpha');
 if ($user->societe_id) $socid=$user->societe_id;
 $result = restrictedArea($user, 'holiday', $id, 'holiday');
 
-$langs->load("holiday");
-
 // Get parameters
 $sortfield = GETPOST('sortfield', 'alpha');
 $sortorder = GETPOST('sortorder', 'alpha');
diff --git a/htdocs/holiday/list.php b/htdocs/holiday/list.php
index cbf2e2f01aa..d6e44261fe8 100644
--- a/htdocs/holiday/list.php
+++ b/htdocs/holiday/list.php
@@ -36,7 +36,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 
 // Load translation files required by the page
-$langs->loadLangs(array('users', 'holidays', 'hrm'));
+$langs->loadLangs(array('users', 'holiday', 'hrm'));
 
 // Protection if external user
 if ($user->societe_id > 0) accessforbidden();
diff --git a/htdocs/index.php b/htdocs/index.php
index 050058cd819..7279eebe80f 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -301,7 +301,7 @@ if (empty($user->societe_id) && empty($conf->global->MAIN_DISABLE_GLOBAL_BOXSTAT
 	                    "supplier_proposal",
 	                    "projects",
 						"trips",
-                        "holidays",
+                        "holiday",
 						"donations"
 	    );