diff --git a/src/wp-includes/nav-menu.php b/src/wp-includes/nav-menu.php
index a9c2bd35f3..503490b67a 100644
--- a/src/wp-includes/nav-menu.php
+++ b/src/wp-includes/nav-menu.php
@@ -663,7 +663,7 @@ function wp_get_nav_menu_items( $menu, $args = array() ) {
 	}
 
 	// Get all posts and terms at once to prime the caches
-	if ( empty( $fetched[$menu->term_id] ) || wp_using_ext_object_cache() ) {
+	if ( empty( $fetched[ $menu->term_id ] ) && ! wp_using_ext_object_cache() ) {
 		$fetched[$menu->term_id] = true;
 		$posts = array();
 		$terms = array();