diff --git a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
index c10c24508e8..9fe2eaf7488 100644
--- a/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
+++ b/htdocs/core/modules/fichinter/doc/pdf_soleil.modules.php
@@ -241,7 +241,7 @@ class pdf_soleil extends ModelePDFFicheinter
 
 				$pdf->SetXY($this->marge_gauche, $tab_top + 5);
 				$text=$object->description;
-				if ($object->duree > 0)
+				if ($object->duration > 0)
 				{
 				    $totaltime=convertSecondToTime($object->duration,'all',$conf->global->MAIN_DURATION_OF_WORKDAY);
 				    $text.=($text?' - ':'').$langs->trans("Total").": ".$totaltime;
@@ -436,9 +436,9 @@ class pdf_soleil extends ModelePDFFicheinter
 		$pdf->MultiCell(0, 3, '');		// Set interline to 3
 		$pdf->SetXY($this->marge_gauche, $tab_top + 8);
 		$text=$object->description;
-		if ($object->duree > 0)
+		if ($object->duration > 0)
 		{
-			$totaltime=convertSecondToTime($object->duree,'all',$conf->global->MAIN_DURATION_OF_WORKDAY);
+			$totaltime=convertSecondToTime($object->duration,'all',$conf->global->MAIN_DURATION_OF_WORKDAY);
 			$text.=($text?' - ':'').$langs->trans("Total").": ".$totaltime;
 		}
 		$desc=dol_htmlentitiesbr($text,1);
diff --git a/htdocs/fichinter/card.php b/htdocs/fichinter/card.php
index e6c9c4d00d6..4e609f49269 100644
--- a/htdocs/fichinter/card.php
+++ b/htdocs/fichinter/card.php
@@ -160,7 +160,7 @@ else if ($action == 'confirm_modify' && $confirm == 'yes' && $user->rights->fich
 else if ($action == 'add' && $user->rights->ficheinter->creer)
 {
     $object->socid			= $socid;
-    $object->duree			= GETPOST('duree','int');
+    $object->duration			= GETPOST('duration','int');
     $object->fk_project		= GETPOST('projectid','int');
     $object->fk_contrat		= GETPOST('contratid','int');
     $object->author			= $user->id;
@@ -1256,7 +1256,7 @@ else if ($id > 0 || ! empty($ref))
 	{
 		// Duration
 		print '<tr><td>'.$langs->trans("TotalDuration").'</td>';
-		print '<td colspan="3">'.convertSecondToTime($object->duree, 'all', $conf->global->MAIN_DURATION_OF_WORKDAY).'</td>';
+		print '<td colspan="3">'.convertSecondToTime($object->duration, 'all', $conf->global->MAIN_DURATION_OF_WORKDAY).'</td>';
 		print '</tr>';
 	}
 
diff --git a/htdocs/fichinter/class/fichinter.class.php b/htdocs/fichinter/class/fichinter.class.php
index b72dec1f6fa..5e88cc94243 100644
--- a/htdocs/fichinter/class/fichinter.class.php
+++ b/htdocs/fichinter/class/fichinter.class.php
@@ -53,7 +53,7 @@ class Fichinter extends CommonObject
 	var $datec;
 	var $datev;
 	var $datem;
-	var $duree;
+	var $duration;
 	var $statut;		// 0=draft, 1=validated, 2=invoiced
 	var $description;
 	var $note_private;
@@ -116,7 +116,7 @@ class Fichinter extends CommonObject
 				return -1;
 			}
 		}
-		if (! is_numeric($this->duree)) $this->duree = 0;
+		if (! is_numeric($this->duration)) $this->duration = 0;
 
 		if ($this->socid <= 0)
 		{
@@ -234,8 +234,8 @@ class Fichinter extends CommonObject
 	 */
 	function update($user, $notrigger=0)
 	{
-	 	if (! is_numeric($this->duree)) {
-	 		$this->duree = 0;
+	 	if (! is_numeric($this->duration)) {
+	 		$this->duration = 0;
 	 	}
 	 	if (! dol_strlen($this->fk_project)) {
 	 		$this->fk_project = 0;
@@ -245,7 +245,7 @@ class Fichinter extends CommonObject
 
 		$sql = "UPDATE ".MAIN_DB_PREFIX."fichinter SET ";
 		$sql.= "description  = '".$this->db->escape($this->description)."'";
-		$sql.= ", duree = ".$this->duree;
+		$sql.= ", duree = ".$this->duration;
 		$sql.= ", fk_projet = ".$this->fk_project;
 		$sql.= ", note_private = ".($this->note_private?"'".$this->db->escape($this->note_private)."'":"null");
 		$sql.= ", note_public = ".($this->note_public?"'".$this->db->escape($this->note_public)."'":"null");
@@ -306,7 +306,7 @@ class Fichinter extends CommonObject
 				$this->description  = $obj->description;
 				$this->socid        = $obj->fk_soc;
 				$this->statut       = $obj->fk_statut;
-				$this->duree        = $obj->duree;
+				$this->duration     = $obj->duree;
 				$this->datec        = $this->db->jdate($obj->datec);
 				$this->datev        = $this->db->jdate($obj->datev);
 				$this->datem        = $this->db->jdate($obj->datem);
@@ -951,7 +951,7 @@ class Fichinter extends CommonObject
 		$this->datec = $now;
 		$this->note_private='Private note';
 		$this->note_public='SPECIMEN';
-		$this->duree = 0;
+		$this->duration = 0;
 		$nbp = 25;
 		$xnbp = 0;
 		while ($xnbp < $nbp)
@@ -964,7 +964,7 @@ class Fichinter extends CommonObject
 			$this->lines[$xnbp]=$line;
 			$xnbp++;
 
-			$this->duree+=$line->duration;
+			$this->duration+=$line->duration;
 		}
 	}