diff --git a/h5py/tests/test_dtype.py b/h5py/tests/test_dtype.py
index c4aa0191d..7dac3581c 100644
--- a/h5py/tests/test_dtype.py
+++ b/h5py/tests/test_dtype.py
@@ -287,7 +287,7 @@ def test_out_of_order_offsets(self):
             self.assertArrayEqual(fd['data'], data)
 
     def test_float_round_tripping(self):
-        dtypes = set(f for f in np.typeDict.values()
+        dtypes = set(f for f in np.sctypeDict.values()
                      if (np.issubdtype(f, np.floating) or
                          np.issubdtype(f, np.complexfloating)))