diff --git a/code/sitefeatures/PageComment.php b/code/sitefeatures/PageComment.php
index cbf9417e..71709b4d 100755
--- a/code/sitefeatures/PageComment.php
+++ b/code/sitefeatures/PageComment.php
@@ -182,8 +182,9 @@ class PageComment extends DataObject {
 			$this->Parent()->Title
 		);
 	}
+	
 	function rss() {
-		$parentcheck = isset($_REQUEST['pageid']) ? "ParentID = {$_REQUEST['pageid']}" : "ParentID > 0";
+		$parentcheck = isset($_REQUEST['pageid']) ? "ParentID = " . (int) $_REQUEST['pageid'] : "ParentID > 0";
 		$comments = DataObject::get("PageComment", "$parentcheck AND IsSpam=0", "Created DESC", "", 10);
 		if(!isset($comments)) {
 			$comments = new DataObjectSet();