diff --git a/tests/unit/modules/dcnm/dcnm_image_upgrade/test_image_upgrade_image_stage.py b/tests/unit/modules/dcnm/dcnm_image_upgrade/test_image_upgrade_image_stage.py
index bb85fb508..f40c02d43 100644
--- a/tests/unit/modules/dcnm/dcnm_image_upgrade/test_image_upgrade_image_stage.py
+++ b/tests/unit/modules/dcnm/dcnm_image_upgrade/test_image_upgrade_image_stage.py
@@ -478,6 +478,7 @@ def mock_dcnm_send_switch_issu_details(*args) -> Dict[str, Any]:
 @pytest.mark.parametrize(
     "arg, value, context",
     [
+        (True, None, pytest.raises(AnsibleFailJson, match=MATCH_00040)),
         (-1, None, pytest.raises(AnsibleFailJson, match=MATCH_00040)),
         (10, 10, does_not_raise()),
         ("a", None, pytest.raises(AnsibleFailJson, match=MATCH_00040)),