Index: src/wp-includes/js/mce-view.js
===================================================================
--- src/wp-includes/js/mce-view.js	(revision 31336)
+++ src/wp-includes/js/mce-view.js	(working copy)
@@ -558,10 +558,9 @@
 			frame = gallery.edit( data );
 
 			frame.state('gallery-edit').on( 'update', function( selection ) {
-				var shortcode = gallery.shortcode( selection ).string(), force;
+				var shortcode = gallery.shortcode( selection ).string();
 				$( node ).attr( 'data-wpview-text', window.encodeURIComponent( shortcode ) );
-				force = ( data !== shortcode );
-				wp.mce.views.refreshView( self, shortcode, force );
+				wp.mce.views.refreshView( self, shortcode, true );
 			});
 
 			frame.on( 'close', function() {