diff --git a/src/ifcopenshell-python/ifcopenshell/api/grid/create_axis_curve.py b/src/ifcopenshell-python/ifcopenshell/api/grid/create_axis_curve.py
index 583ac6c36a..a09e7b2bd2 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/grid/create_axis_curve.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/grid/create_axis_curve.py
@@ -77,8 +77,8 @@ class Usecase:
         ]
         self.settings["grid_axis"].AxisCurve = self.file.createIfcPolyline(
             [
-                self.create_cartesian_point(points[0][0], points[0][1], points[0][2]),
-                self.create_cartesian_point(points[1][0], points[1][1], points[1][2]),
+                self.create_cartesian_point(points[0][0], points[0][1]),
+                self.create_cartesian_point(points[1][0], points[1][1]),
             ]
         )