diff --git a/htdocs/reception/class/receptionstats.class.php b/htdocs/reception/class/receptionstats.class.php
index 872d6845a96..a27f458d01a 100644
--- a/htdocs/reception/class/receptionstats.class.php
+++ b/htdocs/reception/class/receptionstats.class.php
@@ -82,12 +82,13 @@ class ReceptionStats extends Stats
 	}
 
 	/**
-	 * Return reception number by month for a year
+	 *	Return reception number by month for a year
 	 *
-	 * @param	int		$year		Year to scan
-	 * @return	array				Array with number by month
+	 *	@param	int		$year		Year to scan
+	 *	@param	int		$format		0=Label of abscissa is a translated text, 1=Label of abscissa is month number, 2=Label of abscissa is first letter of month
+	 *	@return	array				Array with number by month
 	 */
-	public function getNbByMonth($year)
+	public function getNbByMonth($year, $format = 0)
 	{
 		global $user;
 
@@ -101,7 +102,7 @@ class ReceptionStats extends Stats
 		$sql .= " GROUP BY dm";
 		$sql .= $this->db->order('dm', 'DESC');
 
-		$res = $this->_getNbByMonth($year, $sql);
+		$res = $this->_getNbByMonth($year, $sql, $format);
 		return $res;
 	}
 
diff --git a/htdocs/ticket/class/ticketstats.class.php b/htdocs/ticket/class/ticketstats.class.php
index 2af0b789c3d..0dd69ac9f15 100644
--- a/htdocs/ticket/class/ticketstats.class.php
+++ b/htdocs/ticket/class/ticketstats.class.php
@@ -89,12 +89,13 @@ class TicketStats extends Stats
 	}
 
 	/**
-	 *     Renvoie le nombre de facture par mois pour une annee donnee
+	 *  Return the number of tickets per month for a given year
 	 *
-	 *    @param  string $year Year to scan
-	 *    @return array            Array of values
+	 *  @param  string 	$year 		Year to scan
+	 *	@param	int		$format		0=Label of abscissa is a translated text, 1=Label of abscissa is month number, 2=Label of abscissa is first letter of month
+	 *  @return array            	Array of values
 	 */
-	public function getNbByMonth($year)
+	public function getNbByMonth($year, $format = 0)
 	{
 		$sql = "SELECT MONTH(datec) as dm, count(*)";
 		$sql .= " FROM ".$this->from;
@@ -103,7 +104,7 @@ class TicketStats extends Stats
 		$sql .= " GROUP BY dm";
 		$sql .= $this->db->order('dm', 'DESC');
 
-		$res = $this->_getNbByMonth($year, $sql);
+		$res = $this->_getNbByMonth($year, $sql, $format);
 		//var_dump($res);print '<br>';
 		return $res;
 	}