diff --git a/tests/test_12_s_utils.py b/tests/test_12_s_utils.py
index b03ad1b..ca53003 100644
--- a/tests/test_12_s_utils.py
+++ b/tests/test_12_s_utils.py
@@ -106,7 +106,7 @@ def test_status_from_tuple():
 def test_status_from_tuple_empty_message():
     stat = utils.error_status_factory((samlp.STATUS_UNKNOWN_PRINCIPAL, None))
     status_text = "%s" % stat
-    assert status_text == ERROR_STATUS_EMPTY
+    assert status_text in (ERROR_STATUS_EMPTY, ERROR_STATUS_NO_HEADER_EMPTY)
 
 
 def test_attribute_sn():