diff --git a/tests/util/test_datetime_helpers.py b/tests/util/test_datetime_helpers.py
index 9b4f98809..9069b60c5 100644
--- a/tests/util/test_datetime_helpers.py
+++ b/tests/util/test_datetime_helpers.py
@@ -78,12 +78,15 @@ def test_shorten_date() -> None:
 
 
 def test_dt_humanize() -> None:
-    assert dt_humanize_delta(dt_now()) == "now"
-    assert dt_humanize_delta(dt_now() - timedelta(minutes=50)) == "50 minutes ago"
-    assert dt_humanize_delta(dt_now() - timedelta(hours=16)) == "16 hours ago"
-    assert dt_humanize_delta(dt_now() - timedelta(hours=16, minutes=30)) == "16 hours ago"
-    assert dt_humanize_delta(dt_now() - timedelta(days=16, hours=10, minutes=25)) == "a month ago"
-    assert dt_humanize_delta(dt_now() - timedelta(minutes=50)) == "50 minutes ago"
+    with time_machine.travel("2026-03-25 10:01:00 +00:00", tick=False):
+        assert dt_humanize_delta(dt_now()) == "now"
+        assert dt_humanize_delta(dt_now() - timedelta(minutes=50)) == "50 minutes ago"
+        assert dt_humanize_delta(dt_now() - timedelta(hours=16)) == "16 hours ago"
+        assert dt_humanize_delta(dt_now() - timedelta(hours=16, minutes=30)) == "16 hours ago"
+        assert (
+            dt_humanize_delta(dt_now() - timedelta(days=16, hours=10, minutes=25)) == "a month ago"
+        )
+        assert dt_humanize_delta(dt_now() - timedelta(minutes=50)) == "50 minutes ago"
 
 
 def test_format_ms_time() -> None: