diff --git a/libchart/classes/view/chart/PieChart.php b/libchart/classes/view/chart/PieChart.php
index f2e5119..bf78522 100644
--- a/libchart/classes/view/chart/PieChart.php
+++ b/libchart/classes/view/chart/PieChart.php
@@ -32,8 +32,8 @@ class PieChart extends Chart {
          * @param integer width of the image
          * @param integer height of the image
          */
-        public function PieChart($width = 600, $height = 250) {
-            parent::Chart($width, $height);
+        public function __construct($width = 600, $height = 250) {
+            parent::__construct($width, $height);
             $this->plot->setGraphPadding(new Padding(15, 10, 30, 30));
         }
 
@@ -264,4 +264,4 @@ public function render($fileName = null) {
             $this->plot->render($fileName);
         }
     }
-?>
\ No newline at end of file
+?>