modules/javafx.graphics/src/main/java/com/sun/javafx/tk/quantum/GlassWindowEventHandler.java

@@ -56,10 +56,11 @@
         switch (type) {
             case WindowEvent.MINIMIZE:
                 stage.stageListener.changedIconified(true);
                 break;
             case WindowEvent.MAXIMIZE:
+                stage.stageListener.changedIconified(false);
                 stage.stageListener.changedMaximized(true);
                 break;
             case WindowEvent.RESTORE:
                 stage.stageListener.changedIconified(false);
                 stage.stageListener.changedMaximized(false);