diff --git a/methode/treemap/inc/treemap.php b/methode/treemap/inc/treemap.php
index 91c2b5c..3aeee6e 100644
--- a/methode/treemap/inc/treemap.php
+++ b/methode/treemap/inc/treemap.php
@@ -27,6 +27,11 @@ function hex2rgb($color){
     return $rgb;
 }
 
+function tri($a, $b) {
+    if ($a['value'] == $b['value']) return 0;
+    return ($a['value'] < $b['value']) ? 1 : -1;
+}
+
 class topisto_treemap
 {
   private static function getRGB($methode, $gradient, $factor)
@@ -75,6 +80,19 @@ class topisto_treemap
 
     $data = blockchain::getTransactionData($the_block, $type);
 
+    usort($data, 'tri');
+
+    $n=0;
+    $i=count($data)-1;
+    while($i>41) $n+=$data[$i--]['value'];
+    $n=intval(round(($n * 1.0) / count($data)));
+
+    $data = array_slice($data, 0, 42);
+    $data[] = ["hash" => "0000000000000000000000000000000000000000000000000000000000000000", "value" => $n];
+
+    usort($data, 'tri');
+
+
     $vBgColor = imagecolorallocate($vImage, 10, 10, 10);
     imagefilledrectangle($vImage, $x, $y, $x+$width, $y+$height, $vBgColor);