diff --git a/tests/test_fitcube.py b/tests/test_fitcube.py
index bfacda0..56fe067 100644
--- a/tests/test_fitcube.py
+++ b/tests/test_fitcube.py
@@ -118,8 +118,8 @@ def test_alignMarkersFitRegularData(self):
         self.assertEqual(fitter.getMarkerGroup().getName(), "marker")
         #fitter.getRegion().writeFile(os.path.join(here, "resources", "km_fitgeometry1.exf"))
         fieldmodule = fitter.getFieldmodule()
-        surfaceAreaField = createFieldMeshIntegral(coordinates, fitter.getMesh(2), numberOfPoints=4)
-        volumeField = createFieldMeshIntegral(coordinates, fitter.getMesh(3), numberOfPoints=3)
+        surfaceAreaField = createFieldMeshIntegral(coordinates, fitter.getMesh(2), number_of_points=4)
+        volumeField = createFieldMeshIntegral(coordinates, fitter.getMesh(3), number_of_points=3)
         fieldcache = fieldmodule.createFieldcache()
         result, surfaceArea = surfaceAreaField.evaluateReal(fieldcache, 1)
         self.assertEqual(result, RESULT_OK)