--- old/src/java.desktop/share/classes/javax/swing/JRootPane.java	2017-04-13 21:21:57.000000000 +0300
+++ new/src/java.desktop/share/classes/javax/swing/JRootPane.java	2017-04-13 21:21:56.000000000 +0300
@@ -541,8 +541,10 @@
             layeredPane.remove(menuBar);
         menuBar = menu;
 
-        if(menuBar != null)
+        if(menuBar != null) {
+            menuBar.updateUI();
             layeredPane.add(menuBar, JLayeredPane.FRAME_CONTENT_LAYER);
+        }
     }
 
     /**