Index: src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java =================================================================== --- src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java (revision 494382) +++ src/main/java/common/javax/swing/plaf/basic/BasicMenuItemUI.java (working copy) @@ -308,7 +308,7 @@ } public Dimension getMaximumSize(final JComponent c) { - return null; + return getPreferredSize(c); } protected Dimension getPreferredMenuItemSize(final JComponent c,