diff --git a/src/wp-admin/includes/nav-menu.php b/src/wp-admin/includes/nav-menu.php
index b1c6f647f2..3da92d3a48 100644
--- a/src/wp-admin/includes/nav-menu.php
+++ b/src/wp-admin/includes/nav-menu.php
@@ -71,13 +71,16 @@ function _wp_ajax_menu_quick_search( $request = array() ) {
 	} elseif ( preg_match('/quick-search-(posttype|taxonomy)-([a-zA-Z_-]*\b)/', $type, $matches) ) {
 		if ( 'posttype' == $matches[1] && get_post_type_object( $matches[2] ) ) {
 			$post_type_obj = _wp_nav_menu_meta_box_object( get_post_type_object( $matches[2] ) );
-			$args = array(
-				'no_found_rows'          => true,
-				'update_post_meta_cache' => false,
-				'update_post_term_cache' => false,
-				'posts_per_page'         => 10,
-				'post_type'              => $matches[2],
-				's'                      => $query,
+			$args = array_merge(
+				$args,
+				array(
+					'no_found_rows'          => true,
+					'update_post_meta_cache' => false,
+					'update_post_term_cache' => false,
+					'posts_per_page'         => 10,
+					'post_type'              => $matches[2],
+					's'                      => $query,
+				)
 			);
 			if ( isset( $post_type_obj->_default_query ) ) {
 				$args = array_merge( $args, (array) $post_type_obj->_default_query );