diff --git a/test.py b/test.py
index 555ae7df81afb27fc69af188c0cec961c4cfb0cd..59b95e9611b26febaa9d74fe593e7001475436d4 100644
--- a/test.py
+++ b/test.py
@@ -256,7 +256,7 @@ def test_compute_flux_derivatives_uniform_grid(ctx_factory, cfd_test_data_fixtur
             nx=data.nx,
             ny=data.ny,
             nz=data.nz,
-            dim=data.direction,
+            d=data.direction,
             states=data.states,
             fluxes=data.fluxes,
             metrics=data.metrics,