@@ -961,7 +961,7 @@ def cmd_sync_local2remote(args):

             (pid, status) = os.wait()

             child_pids.remove(pid)

-        return destination_base_uri

+        return

     def _child(destination_base, local_list):

         def _set_remote_uri(local_list, destination_base, single_file_local):

@@ -1113,14 +1113,15 @@ def cmd_sync_local2remote(args):

     if 'fork' not in os.__all__ or len(destinations) < 2:

         destination_base_uri = _single_process(local_list)

+        if cfg.invalidate_on_cf:

+            if len(uploaded_objects_list) == 0:

+                info("Nothing to invalidate in CloudFront")

+            else:

+                _invalidate_on_cf(destination_base_uri)

     else:

-        destination_base_uri = _parent() # this only returns the last destination

-

-    if cfg.invalidate_on_cf:

-        if len(uploaded_objects_list) == 0:

-            info("Nothing to invalidate in CloudFront")

-        else:

-            _invalidate_on_cf(destination_base_uri)

+        _parent()

+        if cfg.invalidate_on_cf:

+            error(u"You cannot use both --cf-invalidate and --add-destination.")

 def cmd_sync(args):

     if (len(args) < 2):