diff --git a/src/wp-includes/nav-menu-template.php b/src/wp-includes/nav-menu-template.php
index 253b6547cd..e947eb8571 100644
--- a/src/wp-includes/nav-menu-template.php
+++ b/src/wp-includes/nav-menu-template.php
@@ -211,7 +211,7 @@ class Walker_Nav_Menu extends Walker {
 	 * @param array  $args   An array of arguments. @see wp_nav_menu()
 	 */
 	public function end_el( &$output, $item, $depth = 0, $args = array() ) {
-		$output .= '</li>';
+		$output .= "</li>\n";
 	}
 
 } // Walker_Nav_Menu