--- old/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicInternalFrameUI.java	2016-01-25 00:13:15.000000000 +0400
+++ new/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicInternalFrameUI.java	2016-01-25 00:13:15.000000000 +0400
@@ -119,6 +119,7 @@
      * @param c the component
      */
     public void installUI(JComponent c)   {
+        super.installUI(c);
 
         frame = (JInternalFrame)c;