diff --git a/tests/test_freshness_date_parser.py b/tests/test_freshness_date_parser.py
index 502083448..13193082c 100644
--- a/tests/test_freshness_date_parser.py
+++ b/tests/test_freshness_date_parser.py
@@ -1112,6 +1112,7 @@ def test_normalized_relative_dates(self, date_string, ago, period):
         param('in an hour', in_future={'hours': 1}, period='day'),
         param('in about an hour', in_future={'hours': 1}, period='day'),
         param('in 1 day', in_future={'days': 1}, period='day'),
+        param('in 1d', in_future={'days': 1}, period='day'),
         param('in a week', in_future={'weeks': 1}, period='week'),
         param('in 2 hours', in_future={'hours': 2}, period='day'),
         param('in about 23 hours', in_future={'hours': 23}, period='day'),