diff --git a/pandas/tseries/tests/test_timedeltas.py b/pandas/tseries/tests/test_timedeltas.py
index 36ae479c3dfcc..659101cb4cad2 100644
--- a/pandas/tseries/tests/test_timedeltas.py
+++ b/pandas/tseries/tests/test_timedeltas.py
@@ -188,7 +188,6 @@ def test_construction(self):
         self.assertEqual(Timedelta('').value, iNaT)
         self.assertEqual(Timedelta('nat').value, iNaT)
         self.assertEqual(Timedelta('NAT').value, iNaT)
-        self.assertTrue(isnull(Timestamp('nat')))
         self.assertTrue(isnull(Timedelta('nat')))
 
         # offset
diff --git a/pandas/tseries/tests/test_timeseries.py b/pandas/tseries/tests/test_timeseries.py
index 59fc147ead4eb..9c97749c87103 100644
--- a/pandas/tseries/tests/test_timeseries.py
+++ b/pandas/tseries/tests/test_timeseries.py
@@ -4389,6 +4389,8 @@ def check(val, unit=None, h=1, s=1, us=0):
         result = Timestamp('NaT')
         self.assertIs(result, NaT)
 
+        self.assertTrue(isnull(Timestamp('nat')))
+
     def test_roundtrip(self):
 
         # test value to string and back conversions