Index: /applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/multitagger/MultiTagDialog.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/multitagger/MultiTagDialog.java	(revision 35229)
+++ /applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/multitagger/MultiTagDialog.java	(revision 35230)
@@ -284,5 +284,5 @@
         public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
             Component c = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
-            if (c instanceof JLabel) {
+            if (c instanceof JLabel && value instanceof OsmPrimitiveType) {
                 ((JLabel) c).setIcon(ImageProvider.get((OsmPrimitiveType) value));
                 ((JLabel) c).setText("");