diff --git a/wp-includes/class-simplepie.php b/wp-includes/class-simplepie.php
index 44066a39b..98843f03d 100644
--- a/wp-includes/class-simplepie.php
+++ b/wp-includes/class-simplepie.php
@@ -4067,16 +4067,16 @@ class SimplePie_Item
 					$temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
 					if (sizeof($temp) > 0)
 					{
-						(int) $seconds = array_pop($temp);
+						$seconds = (int) array_pop($temp);
 					}
 					if (sizeof($temp) > 0)
 					{
-						(int) $minutes = array_pop($temp);
+						$minutes = (int) array_pop($temp);
 						$seconds += $minutes * 60;
 					}
 					if (sizeof($temp) > 0)
 					{
-						(int) $hours = array_pop($temp);
+						$hours = (int) array_pop($temp);
 						$seconds += $hours * 3600;
 					}
 					unset($temp);