diff --git a/htdocs/telephonie/stats/graph/comm.nbminutes.class.php b/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
index 49b467fddb5..cb0e6b5d023 100644
--- a/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
+++ b/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
@@ -97,7 +97,7 @@ class GraphCommNbMinutes extends GraphBar{
 	  {
 	    $row = $this->db->fetch_row();	
 	    
-	    $this->labels[$i] = substr($row[0],4,2) . '/'.substr($row[0],2,2);
+	    $this->labels[$i] = substr($row[0],4,2);
 	    $this->datas[$i] = ceil($row[1] / 60);
 	    
 	    $i++;