Index: applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/curves/CircleArcMaker.java
===================================================================
--- applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/curves/CircleArcMaker.java	(revision 35431)
+++ applications/editors/josm/plugins/utilsplugin2/src/org/openstreetmap/josm/plugins/utilsplugin2/curves/CircleArcMaker.java	(revision 35432)
@@ -135,5 +135,5 @@
         Set<Node> fixNodes = new HashSet<>(anchorNodes);
         if (!selectedWays.isEmpty()) {
-            nodes.stream().filter(n -> n.getParentWays().size() > 1).forEach(fixNodes::add);
+            nodes.stream().filter(n -> n.getParentWays().size() > 1 || n.isTagged()).forEach(fixNodes::add);
         }
         boolean needsUndo = false;