diff --git a/wp-admin/js/media-upload.js b/wp-admin/js/media-upload.js
index 390c57adb9..c0d073a57d 100644
--- a/wp-admin/js/media-upload.js
+++ b/wp-admin/js/media-upload.js
@@ -298,7 +298,7 @@ var tb_position;
 
 			edit: function( content ) {
 				var shortcode = wp.shortcode.next( 'gallery', content ),
-					defaultPostId = wp.media.gallery.defaults.postId,
+					defaultPostId = wp.media.gallery.defaults.id,
 					attachments, selection;
 
 				// Bail if we didn't match the shortcode or all of the content.