Index: applications/editors/josm/plugins/reverter/src/reverter/DataSetToCmd.java
===================================================================
--- applications/editors/josm/plugins/reverter/src/reverter/DataSetToCmd.java	(revision 21201)
+++ applications/editors/josm/plugins/reverter/src/reverter/DataSetToCmd.java	(revision 21207)
@@ -68,4 +68,5 @@
             }
             newTarget.mergeFrom(source);
+            newTarget.setOsmId(target.getId(), (int)target.getVersion());
             newTarget.setDeleted(false);
             cmds.add(new ChangeCommand(target,newTarget));