diff --git a/system/libraries/Calendar.php b/system/libraries/Calendar.php
index 7bdcdca..cdcbfe9 100644
--- a/system/libraries/Calendar.php
+++ b/system/libraries/Calendar.php
@@ -456,7 +456,7 @@
 	 */
 	public function get_total_days($month, $year)
 	{
-		$this->load->helper('date');
+		$this->CI->load->helper('date');
 		return days_in_month($month, $year);
 	}