diff --git a/lib/cros_test.py b/lib/cros_test.py
index 7618dec..5db1044 100644
--- a/lib/cros_test.py
+++ b/lib/cros_test.py
@@ -230,7 +230,7 @@
       # By default, deploying lacros-chrome modifies the /etc/chrome_dev.conf
       # file, which is desired behavior for local development, however, a
       # modified config file interferes with automated testing.
-      deploy_cmd += ['--lacros', '--nostrip', '--skip-updating-config-file']
+      deploy_cmd += ['--lacros', '--nostrip', '--skip-modifying-config-file']
     else:
       deploy_cmd.append('--deploy-test-binaries')
       if self._device.board:
diff --git a/lib/cros_test_unittest.py b/lib/cros_test_unittest.py
index eb37069..7c2f38d 100644
--- a/lib/cros_test_unittest.py
+++ b/lib/cros_test_unittest.py
@@ -164,7 +164,7 @@
         '--process-timeout', '180', '--device',
         self._tester._device.device + ':9222', '--cache-dir',
         self._tester.cache_dir, '--lacros', '--nostrip',
-        '--skip-updating-config-file'
+        '--skip-modifying-config-file'
     ])
 
   def testDeployChromeWithArgs(self):