Index: /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/SvgImportTask.java
===================================================================
--- /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/SvgImportTask.java	(revision 35073)
+++ /applications/editors/josm/plugins/importvec/src/org/openstreetmap/josm/plugins/importvec/SvgImportTask.java	(revision 35074)
@@ -198,5 +198,7 @@
             cmds.add(new AddCommand(ds, w));
         }
-        UndoRedoHandler.getInstance().add(new SequenceCommand("Import primitives", cmds));
+        if (!cmds.isEmpty()) {
+            UndoRedoHandler.getInstance().add(new SequenceCommand("Import primitives", cmds));
+        }
     }