diff --git a/wp-includes/nav-menu.php b/wp-includes/nav-menu.php
index 9b6eeba..b54c3c8 100644
--- a/wp-includes/nav-menu.php
+++ b/wp-includes/nav-menu.php
@@ -817,12 +817,16 @@ function wp_setup_nav_menu_item( $menu_item ) {
 				$menu_item->url = get_permalink( $menu_item->object_id );
 
 				$original_object = get_post( $menu_item->object_id );
-				/** This filter is documented in wp-includes/post-template.php */
-				$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
 
-				if ( '' === $original_title ) {
-					/* translators: %d: ID of a post */
-					$original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
+				$original_title = '';
+				if( !empty( $original_object ) ) {
+					/** This filter is documented in wp-includes/post-template.php */
+					$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
+
+					if ( '' === $original_title ) {
+						/* translators: %d: ID of a post */
+						$original_title = sprintf( __( '#%d (no title)' ), $original_object->ID );
+					}
 				}
 
 				$menu_item->title = '' == $menu_item->post_title ? $original_title : $menu_item->post_title;