diff --git a/src/python/devtest/os/test/ListCmd.py b/src/python/devtest/os/test/ListCmd.py
index 1aa9b70..28eb94f 100644
--- a/src/python/devtest/os/test/ListCmd.py
+++ b/src/python/devtest/os/test/ListCmd.py
@@ -8,6 +8,7 @@ import traceback
 from operator import itemgetter
 from functools import total_ordering
 from jwutils.log import *
+from jwutils.misc import update_symlink
 from jwutils import Options
 from devtest.os import *
 from devtest.os.test import *
@@ -374,7 +375,9 @@ class ListCmd(TestCase): # export
         if self.__write_response and (len(missing) or len(too_many)):
             feature_diff = set(features) - last_features # if len(feature_diff) ?
             response_path = self.refpath[0] + '.bad'
+            link_path = None
             if tstamp is not None:
+                link_path = response_path
                 response_path += '-' + tstamp
             feature_diff_str = ', '.join(['"{}"'.format(f) for f in feature_diff])
             with open(response_path, "w") as f:
@@ -390,6 +393,8 @@ class ListCmd(TestCase): # export
                     for row in too_many:
                         f.write(row.line.strip() +
                                 ' # "needed": [{}], "bad": ["default"]\n'.format(feature_diff_str))
+            if link_path is not None:
+                update_symlink(response_path, link_path)
         return and_str.join(r)
 
     async def _run(self, env, machine, phase):
@@ -413,4 +418,4 @@ class ListCmd(TestCase): # export
             slog(NOTICE, "{}".format(l), caller=caller)
 
     def test(self, output, features):
-        self._eval(output, features)
+        return self._eval(output, features)