diff --git a/libchart/classes/model/XYDataSet.php b/libchart/classes/model/XYDataSet.php
index 5685f11..97850cd 100644
--- a/libchart/classes/model/XYDataSet.php
+++ b/libchart/classes/model/XYDataSet.php
@@ -30,7 +30,7 @@ class XYDataSet extends DataSet {
          * Constructor of XYDataSet.
          *
          */
-        public function XYDataSet() {
+        public function __construct() {
             $this->pointList = array();
         }
     
@@ -53,4 +53,4 @@ public function getPointList() {
             return $this->pointList;
         }
     }
-?>
\ No newline at end of file
+?>