diff --git a/test/test_loopy.py b/test/test_loopy.py
index 497d1e2f4c1208f8b841ea056c8c01bc02dfb7bb..db18b2a218b653019ac04413d73492766eb850fc 100644
--- a/test/test_loopy.py
+++ b/test/test_loopy.py
@@ -2757,7 +2757,7 @@ def test_relaxed_stride_checks(ctx_factory):
 
     with cl.CommandQueue(ctx) as queue:
         mat = np.zeros((1, 10), order="F")
-        b = np.zeros(10, dtype=np.float64)
+        b = np.zeros(10)
 
         evt, (a,) = knl(queue, A=mat, b=b)