diff --git a/tests/test_clean_api.py b/tests/test_clean_api.py
index c487ec07a..62e3b218a 100644
--- a/tests/test_clean_api.py
+++ b/tests/test_clean_api.py
@@ -119,7 +119,7 @@ def test_dates_which_match_locales_are_parsed(
                 languages=["en"],
                 region="",
                 date_formats=["%a", "%a", "%a", "%a"],
-                expected_date=datetime(1969, 12, 31, 14, 4),
+                expected_date=datetime(1969, 1, 31, 14, 4),
             )
         ]
     )