diff --git a/mkl_umath/tests/test_basic.py b/mkl_umath/tests/test_basic.py
index 50ba3fc..6a8d77e 100644
--- a/mkl_umath/tests/test_basic.py
+++ b/mkl_umath/tests/test_basic.py
@@ -44,7 +44,7 @@ def get_args(args_str):
         elif s == 'i':
             args.append(np.int_(np.random.randint(low=1, high=10)))
         elif s == 'l':
-            args.append(np.int64(np.random.randint(low=1, high=10)))
+            args.append(np.dtype('long').type(np.random.randint(low=1, high=10)))
         elif s == 'q':
             args.append(np.int64(np.random.randint(low=1, high=10)))
         else: