Index: src/wp-includes/js/tinymce/plugins/wordpress/plugin.js
===================================================================
--- src/wp-includes/js/tinymce/plugins/wordpress/plugin.js	(revision 28179)
+++ src/wp-includes/js/tinymce/plugins/wordpress/plugin.js	(working copy)
@@ -63,7 +63,7 @@
 
 	// Hide the toolbars after loading
 	editor.on( 'PostRender', function() {
-		if ( getUserSetting('hidetb', '0') === '0' ) {
+		if ( editor.getParam( 'wordpress_adv_hidden', true ) && getUserSetting( 'hidetb', '0' ) === '0' ) {
 			toggleToolbars( 'hide' );
 		}
 	});