diff --git a/wp-includes/post.php b/wp-includes/post.php
index cc8e843878..72ef1641aa 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -4291,7 +4291,9 @@ function _page_traverse_name( $page_id, &$children, &$result ){
  * @return string|false Page URI, false on error.
  */
 function get_page_uri( $page ) {
-	$page = get_post( $page );
+	if ( ! $page instanceof WP_Post ) {
+		$page = get_post( $page );
+	}
 
 	if ( ! $page )
 		return false;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 52ac58d4fc..db76968b74 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36252';
+$wp_version = '4.5-alpha-36253';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.