diff --git a/tests/updateheader/test_header.py b/tests/updateheader/test_header.py
index 3b51ee9b2..06a5c3654 100644
--- a/tests/updateheader/test_header.py
+++ b/tests/updateheader/test_header.py
@@ -570,6 +570,7 @@ def test_main_never_happen(self, argparser_mock, mock_stdout):
         self.args.log_file = None
         self.args.quiet = False
         self.args.cleanup = False
+        self.args.dry = False
 
         argparser_mock.return_value = self.args