Index: applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/DoubleSplitAction.java
===================================================================
--- applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/DoubleSplitAction.java	(revision 34233)
+++ applications/editors/josm/plugins/pt_assistant/src/org/openstreetmap/josm/plugins/pt_assistant/actions/DoubleSplitAction.java	(revision 34234)
@@ -560,5 +560,6 @@
 			}
 			if (type != 2) {
-				selectedWay.get(0).setKeys(newKeys1);
+//				selectedWay.get(0).setKeys(newKeys1);
+				MainApplication.undoRedo.add(new ChangePropertyCommand(Collections.singleton(selectedWay.get(0)), newKeys1));
 			} else {
 				MainApplication.undoRedo.add(new ChangePropertyCommand(Collections.singleton(selectedWay.get(0)), newKeys1));
@@ -592,5 +593,6 @@
 				}
 				if (type != 2) {
-					selectedWay.get(1).setKeys(newKeys2);
+//					selectedWay.get(1).setKeys(newKeys2);
+					MainApplication.undoRedo.add(new ChangePropertyCommand(Collections.singleton(selectedWay.get(0)), newKeys2));
 				} else {
 					MainApplication.undoRedo.add(new ChangePropertyCommand(Collections.singleton(selectedWay.get(0)), newKeys2));