diff --git a/wp-includes/post.php b/wp-includes/post.php
index 15528c8ef0..14e31ef96c 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -1019,7 +1019,8 @@ function get_post_type_capabilities( $args ) {
 	if ( ! post_type_supports( $args->name, 'author' ) ) {
 		// While these may be checked in core, users/roles shouldn't need to be granted these.
 		$default_capabilities['edit_others_posts']   = $default_capabilities['edit_posts'];
-		$default_capabilities['delete_others_posts'] = $default_capabilities['delete_posts'];
+		if ( $args->map_meta_cap )
+			$default_capabilities['delete_others_posts'] = $default_capabilities['delete_posts'];
 	}
 
 	$capabilities = array_merge( $default_capabilities, $args->capabilities );