diff --git a/pandas/tests/test_algos.py b/pandas/tests/test_algos.py
index 3d1177c23c612..611b92eb022d6 100644
--- a/pandas/tests/test_algos.py
+++ b/pandas/tests/test_algos.py
@@ -1254,7 +1254,7 @@ def test_value_counts_nat(self):
         result_dt = algos.value_counts_internal(dt)
         tm.assert_series_equal(result_dt, exp_dt)
 
-        exp_td = Series({np.timedelta64(10000): 1}, name="count")
+        exp_td = Series([1], index=[np.timedelta64(10000)], name="count")
         result_td = algos.value_counts_internal(td)
         tm.assert_series_equal(result_td, exp_td)