diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index ba6d5bab6..be8e62e10 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -1036,7 +1036,7 @@ function get_sample_permalink($id, $title = null, $name = null) {
 
 	// Handle page hierarchy
 	if ( $ptype->hierarchical ) {
-		$uri = get_page_uri($post->ID);
+		$uri = get_page_uri($post);
 		$uri = untrailingslashit($uri);
 		$uri = strrev( stristr( strrev( $uri ), '/' ) );
 		$uri = untrailingslashit($uri);
diff --git a/wp-includes/post.php b/wp-includes/post.php
index 2926eca86..09693047c 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -2908,11 +2908,12 @@ function _page_traverse_name( $page_id, &$children, &$result ){
  *
  * @since 1.5.0
  *
- * @param int $page_id Page ID.
+ * @param mixed $page Page object or page ID.
  * @return string Page URI.
  */
-function get_page_uri($page_id) {
-	$page = get_page($page_id);
+function get_page_uri($page) {
+	if ( ! is_object($page) )
+		$page = get_page($page);
 	$uri = $page->post_name;
 
 	// A page cannot be it's own parent.