diff --git a/contrib/simplepie/library/SimplePie/Parse/Date.php b/contrib/simplepie/library/SimplePie/Parse/Date.php
index 25e9d47fa..672cb20f0 100644
--- a/contrib/simplepie/library/SimplePie/Parse/Date.php
+++ b/contrib/simplepie/library/SimplePie/Parse/Date.php
@@ -690,7 +690,7 @@ class SimplePie_Parse_Date
 			}
 
 			// Convert the number of seconds to an integer, taking decimals into account
-			$second = round($match[6] + $match[7] / pow(10, strlen($match[7])));
+			$second = round((int)$match[6] + (int)$match[7] / pow(10, strlen($match[7])));
 
 			return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
 		}