diff --git a/libraries/joomla/form/fields/calendar.php b/libraries/joomla/form/fields/calendar.php
index cb751859428a1..4f3b9c553085a 100644
--- a/libraries/joomla/form/fields/calendar.php
+++ b/libraries/joomla/form/fields/calendar.php
@@ -177,7 +177,7 @@ protected function getInput()
 		{
 			case 'SERVER_UTC':
 				// Convert a date to UTC based on the server timezone.
-				if ((int) $this->value && $this->value != JFactory::getDbo()->getNullDate())
+				if ($this->value != JFactory::getDbo()->getNullDate())
 				{
 					// Get a date object based on the correct timezone.
 					$date = JFactory::getDate($this->value, 'UTC');
@@ -191,7 +191,7 @@ protected function getInput()
 
 			case 'USER_UTC':
 				// Convert a date to UTC based on the user timezone.
-				if ((int) $this->value && $this->value != JFactory::getDbo()->getNullDate())
+				if ($this->value != JFactory::getDbo()->getNullDate())
 				{
 					// Get a date object based on the correct timezone.
 					$date = JFactory::getDate($this->value, 'UTC');