Index: trunk/src/org/openstreetmap/josm/command/SplitWayCommand.java
===================================================================
--- trunk/src/org/openstreetmap/josm/command/SplitWayCommand.java	(revision 17364)
+++ trunk/src/org/openstreetmap/josm/command/SplitWayCommand.java	(revision 17365)
@@ -452,4 +452,5 @@
             }
 
+            numberOfRelations++;
             boolean isSimpleCase = true;
 
@@ -562,10 +563,7 @@
                 }
             }
-            if (!isSimpleCase)
-                numberOfRelations++;
             if (c != null && isSimpleCase) {
                 if (!r.getMembers().equals(c.getMembers())) {
                     commandList.add(new ChangeMembersCommand(r, new ArrayList<>(c.getMembers())));
-                    numberOfRelations++;
                 }
                 c.setMembers(null); // see #19885