diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index 79053117da..873bca5179 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -117,6 +117,7 @@ function post_permalink($post_id = 0, $mode = '') { // $mode legacy
 function get_page_link($id = false) {
 	global $post;
 
+	$id = (int) $id;
 	if ( !$id )
 		$id = $post->ID;