diff --git a/src/aare/beamline_dispatch/x10sa/beamline_dispatch.py b/src/aare/beamline_dispatch/x10sa/beamline_dispatch.py
index 4847a051..e759557d 100644
--- a/src/aare/beamline_dispatch/x10sa/beamline_dispatch.py
+++ b/src/aare/beamline_dispatch/x10sa/beamline_dispatch.py
@@ -87,9 +87,7 @@ class _1dModel(BeamCenterModel):
     def predict(
         self, det_z_mm: ArrayLike, det_y_mm: ArrayLike
     ) -> tuple[NDArray[np.float64], NDArray[np.float64]]:
-        y_offset_mm: float = det_y_mm - 62  # type: ignore
-        y_offset_um = y_offset_mm * 1000
-        y_offset_px = y_offset_um / 75
+        y_offset_px = (det_y_mm * 1000.0) / 75
         return (
             np.asarray([self._x_fit[1] + self._x_fit[0] * det_z_mm]),
             # positive offset means detector height increased -> beam lower on image -> higher pixel number