diff --git a/tests/test_focus_estimator.py b/tests/test_focus_estimator.py
index eb7cf2b..c3cca07 100644
--- a/tests/test_focus_estimator.py
+++ b/tests/test_focus_estimator.py
@@ -39,7 +39,7 @@ def test_focus_estimator(tmp_path):
     plot_path = tmp_path.joinpath("test.pdf")
     data3D = np.random.random((11, 256, 256))
     slice = focus.focus_from_transverse_band(
-        data3D, ps, lambda_ill, NA_det, plot_path=str(plot_path)
+        data3D, NA_det, lambda_ill, ps, plot_path=str(plot_path)
     )
     assert slice >= 0
     assert slice <= data3D.shape[0]
@@ -75,9 +75,9 @@ def test_focus_estimator_snr(tmp_path):
         plot_path = tmp_path / f"test-{snr}.pdf"
         slice = focus.focus_from_transverse_band(
             data,
-            ps,
-            lambda_ill,
             NA_det,
+            lambda_ill,
+            ps,
             plot_path=plot_path,
             threshold_FWHM=5,
         )