diff --git a/data_for_test.py b/data_for_test.py
index 739754498b4c282058b50c22cc913a910e57dddf..a82c08492eb693e1d396a23c135060e9d54fed51 100644
--- a/data_for_test.py
+++ b/data_for_test.py
@@ -115,11 +115,11 @@ class FluxDataVector:
                 for k in range(self.nzhalo):
                     self.metrics[:, :, i, j, k] = identity
 
-        self.metric_jacobians = u.empty_array(self.nxhalo, self.nyhalo, self.nzhalo)
+        self.jacobians = u.empty_array(self.nxhalo, self.nyhalo, self.nzhalo)
         for i in range(self.nxhalo):
             for j in range(self.nyhalo):
                 for k in range(self.nzhalo):
-                    self.metric_jacobians[i, j, k] = 1.0
+                    self.jacobians[i, j, k] = 1.0
 
         flux_derivative_vector = u.transposed_array_from_string(
                 flux_derivatives_str)
diff --git a/test.py b/test.py
index 5a8d53f4f795e66c8914ca72918fa04a35103be1..92e530d630a94997e6b45b40d5236578dc2adc2e 100644
--- a/test.py
+++ b/test.py
@@ -251,6 +251,7 @@ def test_compute_flux_derivatives_uniform_grid(ctx_factory, cfd_test_data_fixtur
     flux_derivatives_dev = u.empty_array_on_device(queue, *data.flux_dims)
 
     prg(queue,
+            nvars=data.nvars,
             ndim=data.ndim,
             nx=data.nx,
             ny=data.ny,