diff --git a/wp-includes/capabilities.php b/wp-includes/capabilities.php
index 9b471c4152..d77cfea8e8 100644
--- a/wp-includes/capabilities.php
+++ b/wp-includes/capabilities.php
@@ -1094,7 +1094,7 @@ function map_meta_cap( $cap, $user_id ) {
 		elseif ( $status_obj->private )
 			$caps[] = $post_type->cap->read_private_posts;
 		else
-			$caps[] = map_meta_cap( 'edit_post', $user_id, $post->ID );
+			$caps = map_meta_cap( 'edit_post', $user_id, $post->ID );
 		break;
 	case 'edit_post_meta':
 	case 'delete_post_meta':