diff --git a/wp-includes/nav-menu.php b/wp-includes/nav-menu.php
index 3707404c9d..794f4b2d11 100644
--- a/wp-includes/nav-menu.php
+++ b/wp-includes/nav-menu.php
@@ -641,6 +641,9 @@ function wp_setup_nav_menu_item( $menu_item ) {
 			$menu_item->object = $object->name;
 			$menu_item->type_label = $object->labels->singular_name;
 
+			if ( '' === $menu_item->post_title )
+				$menu_item->post_title = sprintf( __( '#%d (no title)' ), $menu_item->ID );
+
 			$menu_item->title = $menu_item->post_title;
 			$menu_item->url = get_permalink( $menu_item->ID );
 			$menu_item->target = '';
diff --git a/wp-includes/post-template.php b/wp-includes/post-template.php
index fdbdaea489..e6466f3c2e 100644
--- a/wp-includes/post-template.php
+++ b/wp-includes/post-template.php
@@ -1072,6 +1072,9 @@ class Walker_Page extends Walker {
 
 		$css_class = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
 
+		if ( '' === $page->post_title )
+			$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
+
 		$output .= $indent . '<li class="' . $css_class . '"><a href="' . get_permalink($page->ID) . '">' . $link_before . apply_filters( 'the_title', $page->post_title, $page->ID ) . $link_after . '</a>';
 
 		if ( !empty($show_date) ) {