Index: trunk/src/org/openstreetmap/josm/gui/dialogs/UserListDialog.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/UserListDialog.java	(revision 4077)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/UserListDialog.java	(revision 4078)
@@ -120,6 +120,4 @@
             public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
                 final JLabel label = (JLabel) super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-                if (value == null)
-                    return this;
                 label.setIcon((ImageIcon)value);
                 label.setText("");