diff --git a/htdocs/telephonie/stats/graph/ca.class.php b/htdocs/telephonie/stats/graph/ca.class.php
index d57191924e45fcc6264212dedafe70690617df2a..cf1e6118ae3c3007d08ab5a16314efdfb465d6b7 100644
--- a/htdocs/telephonie/stats/graph/ca.class.php
+++ b/htdocs/telephonie/stats/graph/ca.class.php
@@ -75,7 +75,7 @@ class GraphCa extends GraphBrouzouf
       {
 	$num = $this->db->num_rows();
 	$i = 0;
-	$j = -1;
+
 	$labels = array();
 	$cf = array();
 	$cv = array();
diff --git a/htdocs/telephonie/stats/graph/comm.nbminutes.class.php b/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
index 1d8707df49fd2c73d7613116f025c527f2ac7b2f..7aabcda0a0e4d844c43157a8f3cd9a1b1c9e089d 100644
--- a/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
+++ b/htdocs/telephonie/stats/graph/comm.nbminutes.class.php
@@ -99,7 +99,7 @@ class GraphCommNbMinutes extends GraphBar{
 	    $row = $this->db->fetch_row();	
 	    
 	    $this->labels[$i] = substr($row[0],4,2) . '/'.substr($row[0],2,2);
-	    $this->datas[$i] = $row[1];
+	    $this->datas[$i] = ceil($row[1] / 60);
 	    
 	    $i++;
 	  }