Index: /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/selection/SelectModWaysAction.java
===================================================================
--- /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/selection/SelectModWaysAction.java	(revision 26102)
+++ /applications/editors/josm/plugins/utilsplugin2/src/utilsplugin2/selection/SelectModWaysAction.java	(revision 26103)
@@ -60,5 +60,5 @@
                 if (p instanceof Way && !p.isDeleted()) ways.add((Way)p);
             }
-            if (!ways.isEmpty()) {
+            if (!ways.isEmpty() && !getCurrentDataSet().getSelected().containsAll(ways)) {
                 getCurrentDataSet().setSelected(ways);
                 lastCmd = cmd; // remember last used command and last selection